Home / 4,078.95-6,121.17-1,481.89

Finding the Fourth Proportional to 4,078.95, 6,121.17 and 1,481.89

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Solution

The fourth proportional to 4,078.95, 6,121.17 and 1,481.89 is: 2,223.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,078.95 : 6,121.17 = 1,481.89 : x
  2. Step 2: Convert to fraction form
    4,078.95/6,121.17 = 1,481.89/x
  3. Step 3: Cross multiply
    4,078.95x = 6,121.17 × 1,481.89
  4. Step 4: Simplify right side
    4,078.95x = 9,070,900.61
  5. Step 5: Solve for x
    x = 9,070,900.61/4,078.95
  6. Step 6: Final answer
    x = 2,223.83

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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.