Home / 5,240.82-7,232.07-2,882.58

Finding the Fourth Proportional to 5,240.82, 7,232.07 and 2,882.58

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Solution

The fourth proportional to 5,240.82, 7,232.07 and 2,882.58 is: 3,977.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.82 : 7,232.07 = 2,882.58 : x
  2. Step 2: Convert to fraction form
    5,240.82/7,232.07 = 2,882.58/x
  3. Step 3: Cross multiply
    5,240.82x = 7,232.07 × 2,882.58
  4. Step 4: Simplify right side
    5,240.82x = 20,847,020.34
  5. Step 5: Solve for x
    x = 20,847,020.34/5,240.82
  6. Step 6: Final answer
    x = 3,977.82

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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.