Home / 2,717.07-4,073.67-961.71

Finding the Fourth Proportional to 2,717.07, 4,073.67 and 961.71

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Solution

The fourth proportional to 2,717.07, 4,073.67 and 961.71 is: 1,441.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,717.07 : 4,073.67 = 961.71 : x
  2. Step 2: Convert to fraction form
    2,717.07/4,073.67 = 961.71/x
  3. Step 3: Cross multiply
    2,717.07x = 4,073.67 × 961.71
  4. Step 4: Simplify right side
    2,717.07x = 3,917,689.18
  5. Step 5: Solve for x
    x = 3,917,689.18/2,717.07
  6. Step 6: Final answer
    x = 1,441.88

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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.