Home / 5,318.20-7,965.15-2,546.82

Finding the Fourth Proportional to 5,318.20, 7,965.15 and 2,546.82

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Solution

The fourth proportional to 5,318.20, 7,965.15 and 2,546.82 is: 3,814.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.20 : 7,965.15 = 2,546.82 : x
  2. Step 2: Convert to fraction form
    5,318.20/7,965.15 = 2,546.82/x
  3. Step 3: Cross multiply
    5,318.20x = 7,965.15 × 2,546.82
  4. Step 4: Simplify right side
    5,318.20x = 20,285,763.90
  5. Step 5: Solve for x
    x = 20,285,763.90/5,318.20
  6. Step 6: Final answer
    x = 3,814.41

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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.