Home / 2,414.07-3,331.59-1,351.78

Finding the Fourth Proportional to 2,414.07, 3,331.59 and 1,351.78

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Solution

The fourth proportional to 2,414.07, 3,331.59 and 1,351.78 is: 1,865.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,414.07 : 3,331.59 = 1,351.78 : x
  2. Step 2: Convert to fraction form
    2,414.07/3,331.59 = 1,351.78/x
  3. Step 3: Cross multiply
    2,414.07x = 3,331.59 × 1,351.78
  4. Step 4: Simplify right side
    2,414.07x = 4,503,565.11
  5. Step 5: Solve for x
    x = 4,503,565.11/2,414.07
  6. Step 6: Final answer
    x = 1,865.55

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Why These Related Problems?

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