Home / 1,493.24-2,060.85-863.87

Finding the Fourth Proportional to 1,493.24, 2,060.85 and 863.87

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Solution

The fourth proportional to 1,493.24, 2,060.85 and 863.87 is: 1,192.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,493.24 : 2,060.85 = 863.87 : x
  2. Step 2: Convert to fraction form
    1,493.24/2,060.85 = 863.87/x
  3. Step 3: Cross multiply
    1,493.24x = 2,060.85 × 863.87
  4. Step 4: Simplify right side
    1,493.24x = 1,780,306.49
  5. Step 5: Solve for x
    x = 1,780,306.49/1,493.24
  6. Step 6: Final answer
    x = 1,192.24

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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.