Home / 2,717.42-4,073.90-867.38

Finding the Fourth Proportional to 2,717.42, 4,073.90 and 867.38

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Solution

The fourth proportional to 2,717.42, 4,073.90 and 867.38 is: 1,300.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.42 : 4,073.90 = 867.38 : x
  2. Step 2: Convert to fraction form
    2,717.42/4,073.90 = 867.38/x
  3. Step 3: Cross multiply
    2,717.42x = 4,073.90 × 867.38
  4. Step 4: Simplify right side
    2,717.42x = 3,533,594.68
  5. Step 5: Solve for x
    x = 3,533,594.68/2,717.42
  6. Step 6: Final answer
    x = 1,300.35

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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.