Home / 3,912.53-5,399.81-2,233.56

Finding the Fourth Proportional to 3,912.53, 5,399.81 and 2,233.56

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Solution

The fourth proportional to 3,912.53, 5,399.81 and 2,233.56 is: 3,082.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,912.53 : 5,399.81 = 2,233.56 : x
  2. Step 2: Convert to fraction form
    3,912.53/5,399.81 = 2,233.56/x
  3. Step 3: Cross multiply
    3,912.53x = 5,399.81 × 2,233.56
  4. Step 4: Simplify right side
    3,912.53x = 12,060,799.62
  5. Step 5: Solve for x
    x = 12,060,799.62/3,912.53
  6. Step 6: Final answer
    x = 3,082.61

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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.