Home / 7,917.24-11,877.60-2,652.41

Finding the Fourth Proportional to 7,917.24, 11,877.60 and 2,652.41

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Solution

The fourth proportional to 7,917.24, 11,877.60 and 2,652.41 is: 3,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,917.24 : 11,877.60 = 2,652.41 : x
  2. Step 2: Convert to fraction form
    7,917.24/11,877.60 = 2,652.41/x
  3. Step 3: Cross multiply
    7,917.24x = 11,877.60 × 2,652.41
  4. Step 4: Simplify right side
    7,917.24x = 31,504,304.66
  5. Step 5: Solve for x
    x = 31,504,304.66/7,917.24
  6. Step 6: Final answer
    x = 3,979.20

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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.