Home / 3,760.24-5,189-2,081.62

Finding the Fourth Proportional to 3,760.24, 5,189 and 2,081.62

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Solution

The fourth proportional to 3,760.24, 5,189 and 2,081.62 is: 2,872.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,760.24 : 5,189 = 2,081.62 : x
  2. Step 2: Convert to fraction form
    3,760.24/5,189 = 2,081.62/x
  3. Step 3: Cross multiply
    3,760.24x = 5,189 × 2,081.62
  4. Step 4: Simplify right side
    3,760.24x = 10,801,526.18
  5. Step 5: Solve for x
    x = 10,801,526.18/3,760.24
  6. Step 6: Final answer
    x = 2,872.56

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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.