Question 1198963
10 years as quarterly periods means 40 compounding periods.
r for yearly rate means {{{r/4}}} for quarterly rate.


{{{3500(1+r/4)^40=5050}}}

.

.
{{{1+r/4=1.00920776}}}

{{{r/4=0.00920776}}}

{{{highlight(r=0.0368)}}}
or 3.68%