Home / 5,589.72-8,387.91-2,079.14

Finding the Fourth Proportional to 5,589.72, 8,387.91 and 2,079.14

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Solution

The fourth proportional to 5,589.72, 8,387.91 and 2,079.14 is: 3,119.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.72 : 8,387.91 = 2,079.14 : x
  2. Step 2: Convert to fraction form
    5,589.72/8,387.91 = 2,079.14/x
  3. Step 3: Cross multiply
    5,589.72x = 8,387.91 × 2,079.14
  4. Step 4: Simplify right side
    5,589.72x = 17,439,597.26
  5. Step 5: Solve for x
    x = 17,439,597.26/5,589.72
  6. Step 6: Final answer
    x = 3,119.94

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1.5x scale

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.