Home / 5,240.67-7,232.13-2,882.82

Finding the Fourth Proportional to 5,240.67, 7,232.13 and 2,882.82

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Solution

The fourth proportional to 5,240.67, 7,232.13 and 2,882.82 is: 3,978.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.67 : 7,232.13 = 2,882.82 : x
  2. Step 2: Convert to fraction form
    5,240.67/7,232.13 = 2,882.82/x
  3. Step 3: Cross multiply
    5,240.67x = 7,232.13 × 2,882.82
  4. Step 4: Simplify right side
    5,240.67x = 20,848,929.01
  5. Step 5: Solve for x
    x = 20,848,929.01/5,240.67
  6. Step 6: Final answer
    x = 3,978.29

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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.