Home / 2,169.62-3,249.82-1,000.58

Finding the Fourth Proportional to 2,169.62, 3,249.82 and 1,000.58

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Solution

The fourth proportional to 2,169.62, 3,249.82 and 1,000.58 is: 1,498.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,169.62 : 3,249.82 = 1,000.58 : x
  2. Step 2: Convert to fraction form
    2,169.62/3,249.82 = 1,000.58/x
  3. Step 3: Cross multiply
    2,169.62x = 3,249.82 × 1,000.58
  4. Step 4: Simplify right side
    2,169.62x = 3,251,704.90
  5. Step 5: Solve for x
    x = 3,251,704.90/2,169.62
  6. Step 6: Final answer
    x = 1,498.74

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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.