Home / 2,104.10-3,156.12-949.85

Finding the Fourth Proportional to 2,104.10, 3,156.12 and 949.85

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Solution

The fourth proportional to 2,104.10, 3,156.12 and 949.85 is: 1,424.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,104.10 : 3,156.12 = 949.85 : x
  2. Step 2: Convert to fraction form
    2,104.10/3,156.12 = 949.85/x
  3. Step 3: Cross multiply
    2,104.10x = 3,156.12 × 949.85
  4. Step 4: Simplify right side
    2,104.10x = 2,997,824.80
  5. Step 5: Solve for x
    x = 2,997,824.80/2,104.10
  6. Step 6: Final answer
    x = 1,424.76

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.