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Finding the Fourth Proportional to 5,609.16, 7,741.31 and 3,251.39

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Solution

The fourth proportional to 5,609.16, 7,741.31 and 3,251.39 is: 4,487.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,609.16 : 7,741.31 = 3,251.39 : x
  2. Step 2: Convert to fraction form
    5,609.16/7,741.31 = 3,251.39/x
  3. Step 3: Cross multiply
    5,609.16x = 7,741.31 × 3,251.39
  4. Step 4: Simplify right side
    5,609.16x = 25,169,962.96
  5. Step 5: Solve for x
    x = 25,169,962.96/5,609.16
  6. Step 6: Final answer
    x = 4,487.30

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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.