Home / 5,240.28-7,231.57-2,882.41

Finding the Fourth Proportional to 5,240.28, 7,231.57 and 2,882.41

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Solution

The fourth proportional to 5,240.28, 7,231.57 and 2,882.41 is: 3,977.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.28 : 7,231.57 = 2,882.41 : x
  2. Step 2: Convert to fraction form
    5,240.28/7,231.57 = 2,882.41/x
  3. Step 3: Cross multiply
    5,240.28x = 7,231.57 × 2,882.41
  4. Step 4: Simplify right side
    5,240.28x = 20,844,349.68
  5. Step 5: Solve for x
    x = 20,844,349.68/5,240.28
  6. Step 6: Final answer
    x = 3,977.72

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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.