Home / 4,987.26-7,483.32-2,387.16

Finding the Fourth Proportional to 4,987.26, 7,483.32 and 2,387.16

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Solution

The fourth proportional to 4,987.26, 7,483.32 and 2,387.16 is: 3,581.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.26 : 7,483.32 = 2,387.16 : x
  2. Step 2: Convert to fraction form
    4,987.26/7,483.32 = 2,387.16/x
  3. Step 3: Cross multiply
    4,987.26x = 7,483.32 × 2,387.16
  4. Step 4: Simplify right side
    4,987.26x = 17,863,882.17
  5. Step 5: Solve for x
    x = 17,863,882.17/4,987.26
  6. Step 6: Final answer
    x = 3,581.90

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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.