Home / 3,622.11-5,432.10-1,542.09

Finding the Fourth Proportional to 3,622.11, 5,432.10 and 1,542.09

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Solution

The fourth proportional to 3,622.11, 5,432.10 and 1,542.09 is: 2,312.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.11 : 5,432.10 = 1,542.09 : x
  2. Step 2: Convert to fraction form
    3,622.11/5,432.10 = 1,542.09/x
  3. Step 3: Cross multiply
    3,622.11x = 5,432.10 × 1,542.09
  4. Step 4: Simplify right side
    3,622.11x = 8,376,787.09
  5. Step 5: Solve for x
    x = 8,376,787.09/3,622.11
  6. Step 6: Final answer
    x = 2,312.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.