Home / 2,753.12-4,127.49-997.85

Finding the Fourth Proportional to 2,753.12, 4,127.49 and 997.85

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Solution

The fourth proportional to 2,753.12, 4,127.49 and 997.85 is: 1,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,753.12 : 4,127.49 = 997.85 : x
  2. Step 2: Convert to fraction form
    2,753.12/4,127.49 = 997.85/x
  3. Step 3: Cross multiply
    2,753.12x = 4,127.49 × 997.85
  4. Step 4: Simplify right side
    2,753.12x = 4,118,595.26
  5. Step 5: Solve for x
    x = 4,118,595.26/2,753.12
  6. Step 6: Final answer
    x = 1,495.98

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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.