Home / 5,589.26-8,384.80-1,891.71

Finding the Fourth Proportional to 5,589.26, 8,384.80 and 1,891.71

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Solution

The fourth proportional to 5,589.26, 8,384.80 and 1,891.71 is: 2,837.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.26 : 8,384.80 = 1,891.71 : x
  2. Step 2: Convert to fraction form
    5,589.26/8,384.80 = 1,891.71/x
  3. Step 3: Cross multiply
    5,589.26x = 8,384.80 × 1,891.71
  4. Step 4: Simplify right side
    5,589.26x = 15,861,610.01
  5. Step 5: Solve for x
    x = 15,861,610.01/5,589.26
  6. Step 6: Final answer
    x = 2,837.87

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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.