Home / 5,432.81-8,149.57-1,537.52

Finding the Fourth Proportional to 5,432.81, 8,149.57 and 1,537.52

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Solution

The fourth proportional to 5,432.81, 8,149.57 and 1,537.52 is: 2,306.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.81 : 8,149.57 = 1,537.52 : x
  2. Step 2: Convert to fraction form
    5,432.81/8,149.57 = 1,537.52/x
  3. Step 3: Cross multiply
    5,432.81x = 8,149.57 × 1,537.52
  4. Step 4: Simplify right side
    5,432.81x = 12,530,143.40
  5. Step 5: Solve for x
    x = 12,530,143.40/5,432.81
  6. Step 6: Final answer
    x = 2,306.38

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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.