Home / 5,463.42-8,193.92-2,131.76

Finding the Fourth Proportional to 5,463.42, 8,193.92 and 2,131.76

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Solution

The fourth proportional to 5,463.42, 8,193.92 and 2,131.76 is: 3,197.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,463.42 : 8,193.92 = 2,131.76 : x
  2. Step 2: Convert to fraction form
    5,463.42/8,193.92 = 2,131.76/x
  3. Step 3: Cross multiply
    5,463.42x = 8,193.92 × 2,131.76
  4. Step 4: Simplify right side
    5,463.42x = 17,467,470.90
  5. Step 5: Solve for x
    x = 17,467,470.90/5,463.42
  6. Step 6: Final answer
    x = 3,197.17

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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.