Home / 3,761.46-5,190.44-2,082.42

Finding the Fourth Proportional to 3,761.46, 5,190.44 and 2,082.42

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Solution

The fourth proportional to 3,761.46, 5,190.44 and 2,082.42 is: 2,873.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,761.46 : 5,190.44 = 2,082.42 : x
  2. Step 2: Convert to fraction form
    3,761.46/5,190.44 = 2,082.42/x
  3. Step 3: Cross multiply
    3,761.46x = 5,190.44 × 2,082.42
  4. Step 4: Simplify right side
    3,761.46x = 10,808,665.65
  5. Step 5: Solve for x
    x = 10,808,665.65/3,761.46
  6. Step 6: Final answer
    x = 2,873.53

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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.