SOLUTION: find the value of a in this proportion (a+1)/4=2/3

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Question 317310: find the value of a in this proportion (a+1)/4=2/3
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
%28a%2B1%29%2F4=2%2F3 Start with the given equation.


3%28a%2B1%29=2%2A4 Cross multiply.


3%28a%2B1%29=8 Multiply 2 and 4 to get 8.


3a%2B3=8 Distribute.


3a=8-3 Subtract 3 from both sides.


3a=5 Combine like terms on the right side.


a=%285%29%2F%283%29 Divide both sides by 3 to isolate a.


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Answer:

So the solution is a=5%2F3