Home / 5,541.87-8,306.13-2,420.54

Finding the Fourth Proportional to 5,541.87, 8,306.13 and 2,420.54

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Solution

The fourth proportional to 5,541.87, 8,306.13 and 2,420.54 is: 3,627.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,541.87 : 8,306.13 = 2,420.54 : x
  2. Step 2: Convert to fraction form
    5,541.87/8,306.13 = 2,420.54/x
  3. Step 3: Cross multiply
    5,541.87x = 8,306.13 × 2,420.54
  4. Step 4: Simplify right side
    5,541.87x = 20,105,319.91
  5. Step 5: Solve for x
    x = 20,105,319.91/5,541.87
  6. Step 6: Final answer
    x = 3,627.89

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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.