Finding the Fourth Proportional to 5,688.16, 7,849.36 and 3,204
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Solution
The fourth proportional to 5,688.16, 7,849.36 and 3,204 is: 4,421.35
Step by Step Solution
- Step 1: Write the proportion equation
5,688.16 : 7,849.36 = 3,204 : x - Step 2: Convert to fraction form
5,688.16/7,849.36 = 3,204/x - Step 3: Cross multiply
5,688.16x = 7,849.36 × 3,204 - Step 4: Simplify right side
5,688.16x = 25,149,349.44 - Step 5: Solve for x
x = 25,149,349.44/5,688.16 - Step 6: Final answer
x = 4,421.35
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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.