Home / 5,987.40-8,974.62-3,061.68

Finding the Fourth Proportional to 5,987.40, 8,974.62 and 3,061.68

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Solution

The fourth proportional to 5,987.40, 8,974.62 and 3,061.68 is: 4,589.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,987.40 : 8,974.62 = 3,061.68 : x
  2. Step 2: Convert to fraction form
    5,987.40/8,974.62 = 3,061.68/x
  3. Step 3: Cross multiply
    5,987.40x = 8,974.62 × 3,061.68
  4. Step 4: Simplify right side
    5,987.40x = 27,477,414.56
  5. Step 5: Solve for x
    x = 27,477,414.56/5,987.40
  6. Step 6: Final answer
    x = 4,589.21

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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.