Home / 5,402.47-7,458.35-3,732.87

Finding the Fourth Proportional to 5,402.47, 7,458.35 and 3,732.87

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Solution

The fourth proportional to 5,402.47, 7,458.35 and 3,732.87 is: 5,153.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402.47 : 7,458.35 = 3,732.87 : x
  2. Step 2: Convert to fraction form
    5,402.47/7,458.35 = 3,732.87/x
  3. Step 3: Cross multiply
    5,402.47x = 7,458.35 × 3,732.87
  4. Step 4: Simplify right side
    5,402.47x = 27,841,049.81
  5. Step 5: Solve for x
    x = 27,841,049.81/5,402.47
  6. Step 6: Final answer
    x = 5,153.39

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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.