Home / 5,240.44-7,231.70-2,882.54

Finding the Fourth Proportional to 5,240.44, 7,231.70 and 2,882.54

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Solution

The fourth proportional to 5,240.44, 7,231.70 and 2,882.54 is: 3,977.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.44 : 7,231.70 = 2,882.54 : x
  2. Step 2: Convert to fraction form
    5,240.44/7,231.70 = 2,882.54/x
  3. Step 3: Cross multiply
    5,240.44x = 7,231.70 × 2,882.54
  4. Step 4: Simplify right side
    5,240.44x = 20,845,664.52
  5. Step 5: Solve for x
    x = 20,845,664.52/5,240.44
  6. Step 6: Final answer
    x = 3,977.85

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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.