Home / 5,057.28-6,981.12-3,193.92

Finding the Fourth Proportional to 5,057.28, 6,981.12 and 3,193.92

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Solution

The fourth proportional to 5,057.28, 6,981.12 and 3,193.92 is: 4,408.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.28 : 6,981.12 = 3,193.92 : x
  2. Step 2: Convert to fraction form
    5,057.28/6,981.12 = 3,193.92/x
  3. Step 3: Cross multiply
    5,057.28x = 6,981.12 × 3,193.92
  4. Step 4: Simplify right side
    5,057.28x = 22,297,138.79
  5. Step 5: Solve for x
    x = 22,297,138.79/5,057.28
  6. Step 6: Final answer
    x = 4,408.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.