Home / 5,432.80-8,150.10-2,314.30

Finding the Fourth Proportional to 5,432.80, 8,150.10 and 2,314.30

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Solution

The fourth proportional to 5,432.80, 8,150.10 and 2,314.30 is: 3,471.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.80 : 8,150.10 = 2,314.30 : x
  2. Step 2: Convert to fraction form
    5,432.80/8,150.10 = 2,314.30/x
  3. Step 3: Cross multiply
    5,432.80x = 8,150.10 × 2,314.30
  4. Step 4: Simplify right side
    5,432.80x = 18,861,776.43
  5. Step 5: Solve for x
    x = 18,861,776.43/5,432.80
  6. Step 6: Final answer
    x = 3,471.83

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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.