Home / 5,579.12-8,372.67-2,459.90

Finding the Fourth Proportional to 5,579.12, 8,372.67 and 2,459.90

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Solution

The fourth proportional to 5,579.12, 8,372.67 and 2,459.90 is: 3,691.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.12 : 8,372.67 = 2,459.90 : x
  2. Step 2: Convert to fraction form
    5,579.12/8,372.67 = 2,459.90/x
  3. Step 3: Cross multiply
    5,579.12x = 8,372.67 × 2,459.90
  4. Step 4: Simplify right side
    5,579.12x = 20,595,930.93
  5. Step 5: Solve for x
    x = 20,595,930.93/5,579.12
  6. Step 6: Final answer
    x = 3,691.61

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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.