Home / 7,454.12-11,179.89-2,258.78

Finding the Fourth Proportional to 7,454.12, 11,179.89 and 2,258.78

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Solution

The fourth proportional to 7,454.12, 11,179.89 and 2,258.78 is: 3,387.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.12 : 11,179.89 = 2,258.78 : x
  2. Step 2: Convert to fraction form
    7,454.12/11,179.89 = 2,258.78/x
  3. Step 3: Cross multiply
    7,454.12x = 11,179.89 × 2,258.78
  4. Step 4: Simplify right side
    7,454.12x = 25,252,911.93
  5. Step 5: Solve for x
    x = 25,252,911.93/7,454.12
  6. Step 6: Final answer
    x = 3,387.78

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.