Home / 5,240.56-7,232.36-2,882.76

Finding the Fourth Proportional to 5,240.56, 7,232.36 and 2,882.76

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Solution

The fourth proportional to 5,240.56, 7,232.36 and 2,882.76 is: 3,978.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.56 : 7,232.36 = 2,882.76 : x
  2. Step 2: Convert to fraction form
    5,240.56/7,232.36 = 2,882.76/x
  3. Step 3: Cross multiply
    5,240.56x = 7,232.36 × 2,882.76
  4. Step 4: Simplify right side
    5,240.56x = 20,849,158.11
  5. Step 5: Solve for x
    x = 20,849,158.11/5,240.56
  6. Step 6: Final answer
    x = 3,978.42

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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.