Home / 5,432.75-8,140.92-2,469.50

Finding the Fourth Proportional to 5,432.75, 8,140.92 and 2,469.50

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Solution

The fourth proportional to 5,432.75, 8,140.92 and 2,469.50 is: 3,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.75 : 8,140.92 = 2,469.50 : x
  2. Step 2: Convert to fraction form
    5,432.75/8,140.92 = 2,469.50/x
  3. Step 3: Cross multiply
    5,432.75x = 8,140.92 × 2,469.50
  4. Step 4: Simplify right side
    5,432.75x = 20,103,961.24
  5. Step 5: Solve for x
    x = 20,103,961.24/5,432.75
  6. Step 6: Final answer
    x = 3,700.52

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1.5x scale

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.