Home / 3,938.46-5,432.28-2,592.44

Finding the Fourth Proportional to 3,938.46, 5,432.28 and 2,592.44

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Solution

The fourth proportional to 3,938.46, 5,432.28 and 2,592.44 is: 3,575.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,938.46 : 5,432.28 = 2,592.44 : x
  2. Step 2: Convert to fraction form
    3,938.46/5,432.28 = 2,592.44/x
  3. Step 3: Cross multiply
    3,938.46x = 5,432.28 × 2,592.44
  4. Step 4: Simplify right side
    3,938.46x = 14,082,859.96
  5. Step 5: Solve for x
    x = 14,082,859.96/3,938.46
  6. Step 6: Final answer
    x = 3,575.73

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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.