Finding the Fourth Proportional to 5,362,129.36, 7,407,257.52 and 4,877,840.08
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Solution
The fourth proportional to 5,362,129.36, 7,407,257.52 and 4,877,840.08 is: 6,738,259.22
Step by Step Solution
- Step 1: Write the proportion equation
5,362,129.36 : 7,407,257.52 = 4,877,840.08 : x - Step 2: Convert to fraction form
5,362,129.36/7,407,257.52 = 4,877,840.08/x - Step 3: Cross multiply
5,362,129.36x = 7,407,257.52 × 4,877,840.08 - Step 4: Simplify right side
5,362,129.36x = 36,131,417,613,937.40 - Step 5: Solve for x
x = 36,131,417,613,937.40/5,362,129.36 - Step 6: Final answer
x = 6,738,259.22
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.