Home / 5,144.80-7,718.28-2,924.66

Finding the Fourth Proportional to 5,144.80, 7,718.28 and 2,924.66

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Solution

The fourth proportional to 5,144.80, 7,718.28 and 2,924.66 is: 4,387.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,144.80 : 7,718.28 = 2,924.66 : x
  2. Step 2: Convert to fraction form
    5,144.80/7,718.28 = 2,924.66/x
  3. Step 3: Cross multiply
    5,144.80x = 7,718.28 × 2,924.66
  4. Step 4: Simplify right side
    5,144.80x = 22,573,324.09
  5. Step 5: Solve for x
    x = 22,573,324.09/5,144.80
  6. Step 6: Final answer
    x = 4,387.60

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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.