Home / 5,488.20-7,575.18-3,391.14

Finding the Fourth Proportional to 5,488.20, 7,575.18 and 3,391.14

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Solution

The fourth proportional to 5,488.20, 7,575.18 and 3,391.14 is: 4,680.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.20 : 7,575.18 = 3,391.14 : x
  2. Step 2: Convert to fraction form
    5,488.20/7,575.18 = 3,391.14/x
  3. Step 3: Cross multiply
    5,488.20x = 7,575.18 × 3,391.14
  4. Step 4: Simplify right side
    5,488.20x = 25,688,495.91
  5. Step 5: Solve for x
    x = 25,688,495.91/5,488.20
  6. Step 6: Final answer
    x = 4,680.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.