Home / 4,982.62-7,470.27-2,387.38

Finding the Fourth Proportional to 4,982.62, 7,470.27 and 2,387.38

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Solution

The fourth proportional to 4,982.62, 7,470.27 and 2,387.38 is: 3,579.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,982.62 : 7,470.27 = 2,387.38 : x
  2. Step 2: Convert to fraction form
    4,982.62/7,470.27 = 2,387.38/x
  3. Step 3: Cross multiply
    4,982.62x = 7,470.27 × 2,387.38
  4. Step 4: Simplify right side
    4,982.62x = 17,834,373.19
  5. Step 5: Solve for x
    x = 17,834,373.19/4,982.62
  6. Step 6: Final answer
    x = 3,579.32

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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.