Home / 5,976.12-8,965.38-2,080.86

Finding the Fourth Proportional to 5,976.12, 8,965.38 and 2,080.86

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Solution

The fourth proportional to 5,976.12, 8,965.38 and 2,080.86 is: 3,121.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,976.12 : 8,965.38 = 2,080.86 : x
  2. Step 2: Convert to fraction form
    5,976.12/8,965.38 = 2,080.86/x
  3. Step 3: Cross multiply
    5,976.12x = 8,965.38 × 2,080.86
  4. Step 4: Simplify right side
    5,976.12x = 18,655,700.63
  5. Step 5: Solve for x
    x = 18,655,700.63/5,976.12
  6. Step 6: Final answer
    x = 3,121.71

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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.