Home / 2,717.22-4,076.15-867.68

Finding the Fourth Proportional to 2,717.22, 4,076.15 and 867.68

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Solution

The fourth proportional to 2,717.22, 4,076.15 and 867.68 is: 1,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.22 : 4,076.15 = 867.68 : x
  2. Step 2: Convert to fraction form
    2,717.22/4,076.15 = 867.68/x
  3. Step 3: Cross multiply
    2,717.22x = 4,076.15 × 867.68
  4. Step 4: Simplify right side
    2,717.22x = 3,536,789.49
  5. Step 5: Solve for x
    x = 3,536,789.49/2,717.22
  6. Step 6: Final answer
    x = 1,301.62

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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.