Home / 5,240.82-7,232.19-2,882.96

Finding the Fourth Proportional to 5,240.82, 7,232.19 and 2,882.96

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Solution

The fourth proportional to 5,240.82, 7,232.19 and 2,882.96 is: 3,978.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.82 : 7,232.19 = 2,882.96 : x
  2. Step 2: Convert to fraction form
    5,240.82/7,232.19 = 2,882.96/x
  3. Step 3: Cross multiply
    5,240.82x = 7,232.19 × 2,882.96
  4. Step 4: Simplify right side
    5,240.82x = 20,850,094.63
  5. Step 5: Solve for x
    x = 20,850,094.63/5,240.82
  6. Step 6: Final answer
    x = 3,978.40

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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.