Home / 5,319.56-7,974.18-2,545.52

Finding the Fourth Proportional to 5,319.56, 7,974.18 and 2,545.52

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Solution

The fourth proportional to 5,319.56, 7,974.18 and 2,545.52 is: 3,815.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,319.56 : 7,974.18 = 2,545.52 : x
  2. Step 2: Convert to fraction form
    5,319.56/7,974.18 = 2,545.52/x
  3. Step 3: Cross multiply
    5,319.56x = 7,974.18 × 2,545.52
  4. Step 4: Simplify right side
    5,319.56x = 20,298,434.67
  5. Step 5: Solve for x
    x = 20,298,434.67/5,319.56
  6. Step 6: Final answer
    x = 3,815.81

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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.