Home / 5,440.38-8,149.17-3,482.70

Finding the Fourth Proportional to 5,440.38, 8,149.17 and 3,482.70

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Solution

The fourth proportional to 5,440.38, 8,149.17 and 3,482.70 is: 5,216.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.38 : 8,149.17 = 3,482.70 : x
  2. Step 2: Convert to fraction form
    5,440.38/8,149.17 = 3,482.70/x
  3. Step 3: Cross multiply
    5,440.38x = 8,149.17 × 3,482.70
  4. Step 4: Simplify right side
    5,440.38x = 28,381,114.36
  5. Step 5: Solve for x
    x = 28,381,114.36/5,440.38
  6. Step 6: Final answer
    x = 5,216.75

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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.