Home / 5,158.46-7,732.14-2,198.44

Finding the Fourth Proportional to 5,158.46, 7,732.14 and 2,198.44

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Solution

The fourth proportional to 5,158.46, 7,732.14 and 2,198.44 is: 3,295.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,158.46 : 7,732.14 = 2,198.44 : x
  2. Step 2: Convert to fraction form
    5,158.46/7,732.14 = 2,198.44/x
  3. Step 3: Cross multiply
    5,158.46x = 7,732.14 × 2,198.44
  4. Step 4: Simplify right side
    5,158.46x = 16,998,645.86
  5. Step 5: Solve for x
    x = 16,998,645.86/5,158.46
  6. Step 6: Final answer
    x = 3,295.29

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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.