Question 402717
Solve the proportion:  4/(x+1) = 3/(x+2)
4(x+2)=3(x+1)
4x+8=3x+3
x=-5

Solve the proportion:  x/(x+3) = (x-2)/x
x^2=(x+3)(x-2)
x^2=x^2+3x-2x-6
x^2=x^2+x-6
0=x-6
6=x

Solve the proportion:  5/x = 8/15
5*15=8x
75=8x
9.375=x

Try to post one problem at a time next time, thanks