Formulas to extend monthly budget figures

I'm new to using Excel and have a simple chart I need help with.
it's shown below:


E F G (etc.....for 52 weeks!)
1 YEAR TO DATE BUDGET: 3508.47 7106.94 10525.41
2
3 RECEIVED YEAR TO DATE: 4167.64 6012.64 8678.64
4
5 WEEKLY OFFERING BUDGETED: 3508.47 3508.47 3508.47
6
7 RECEIVED LAST WEEK: 4167.64 1845 2666

Line 5 will remain 3508.64 for the duration of the report.
I'll input the amount into line 7 every week.

I need to have E1 added to 5E & put in F1.
and 3E added to 7E and the total be put into F2

How can I make that happen?
Thank you for your help!!!

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I have updated it for you this time because you are a new member. --6StringJazzer

In F1 put

Formula:

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and copy to the right

in F2 put

Formula:

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and copy to the right