Home / 5,589.64-8,382.16-2,079.87

Finding the Fourth Proportional to 5,589.64, 8,382.16 and 2,079.87

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Solution

The fourth proportional to 5,589.64, 8,382.16 and 2,079.87 is: 3,118.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.64 : 8,382.16 = 2,079.87 : x
  2. Step 2: Convert to fraction form
    5,589.64/8,382.16 = 2,079.87/x
  3. Step 3: Cross multiply
    5,589.64x = 8,382.16 × 2,079.87
  4. Step 4: Simplify right side
    5,589.64x = 17,433,803.12
  5. Step 5: Solve for x
    x = 17,433,803.12/5,589.64
  6. Step 6: Final answer
    x = 3,118.95

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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.