Home / 5,387.47-7,429.68-3,497.04

Finding the Fourth Proportional to 5,387.47, 7,429.68 and 3,497.04

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Solution

The fourth proportional to 5,387.47, 7,429.68 and 3,497.04 is: 4,822.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,387.47 : 7,429.68 = 3,497.04 : x
  2. Step 2: Convert to fraction form
    5,387.47/7,429.68 = 3,497.04/x
  3. Step 3: Cross multiply
    5,387.47x = 7,429.68 × 3,497.04
  4. Step 4: Simplify right side
    5,387.47x = 25,981,888.15
  5. Step 5: Solve for x
    x = 25,981,888.15/5,387.47
  6. Step 6: Final answer
    x = 4,822.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.