Home / 2,493.15-3,740.42-1,974.88

Finding the Fourth Proportional to 2,493.15, 3,740.42 and 1,974.88

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Solution

The fourth proportional to 2,493.15, 3,740.42 and 1,974.88 is: 2,962.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,493.15 : 3,740.42 = 1,974.88 : x
  2. Step 2: Convert to fraction form
    2,493.15/3,740.42 = 1,974.88/x
  3. Step 3: Cross multiply
    2,493.15x = 3,740.42 × 1,974.88
  4. Step 4: Simplify right side
    2,493.15x = 7,386,876.38
  5. Step 5: Solve for x
    x = 7,386,876.38/2,493.15
  6. Step 6: Final answer
    x = 2,962.86

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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.