Home / 3,694.24-5,099.20-2,278.38

Finding the Fourth Proportional to 3,694.24, 5,099.20 and 2,278.38

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Solution

The fourth proportional to 3,694.24, 5,099.20 and 2,278.38 is: 3,144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,694.24 : 5,099.20 = 2,278.38 : x
  2. Step 2: Convert to fraction form
    3,694.24/5,099.20 = 2,278.38/x
  3. Step 3: Cross multiply
    3,694.24x = 5,099.20 × 2,278.38
  4. Step 4: Simplify right side
    3,694.24x = 11,617,915.30
  5. Step 5: Solve for x
    x = 11,617,915.30/3,694.24
  6. Step 6: Final answer
    x = 3,144.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.