Home / 2,651.16-3,974.82-2,000.28

Finding the Fourth Proportional to 2,651.16, 3,974.82 and 2,000.28

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Solution

The fourth proportional to 2,651.16, 3,974.82 and 2,000.28 is: 2,998.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,651.16 : 3,974.82 = 2,000.28 : x
  2. Step 2: Convert to fraction form
    2,651.16/3,974.82 = 2,000.28/x
  3. Step 3: Cross multiply
    2,651.16x = 3,974.82 × 2,000.28
  4. Step 4: Simplify right side
    2,651.16x = 7,950,752.95
  5. Step 5: Solve for x
    x = 7,950,752.95/2,651.16
  6. Step 6: Final answer
    x = 2,998.97

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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.