Question 710376
To solve, we need to set this problem up as a proportion.  The picture is originally 3 by 5, so {{{3/5}}}.  It's enlarged to something by 6 feet.  In other words, {{{x/6}}}, where x is our unknown.  In proportional form, this would look like


{{{3/5=x/6}}}


To solve this proportion, cross multiply, and place the results on each side of the equal sign:


6*3 = 5*x


18 = 5x


Divide both sides by 5, to get x by itself.  This gives us


{{{18/5}}}


In decimal form, this equals 3.6


So, the length of the shorter side is 3.6 feet