Home / 5,520.87-8,278.17-3,768.00

Finding the Fourth Proportional to 5,520.87, 8,278.17 and 3,768.00

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Solution

The fourth proportional to 5,520.87, 8,278.17 and 3,768.00 is: 5,649.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.87 : 8,278.17 = 3,768.00 : x
  2. Step 2: Convert to fraction form
    5,520.87/8,278.17 = 3,768.00/x
  3. Step 3: Cross multiply
    5,520.87x = 8,278.17 × 3,768.00
  4. Step 4: Simplify right side
    5,520.87x = 31,192,114.44
  5. Step 5: Solve for x
    x = 31,192,114.44/5,520.87
  6. Step 6: Final answer
    x = 5,649.85

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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.