Home / 5,262.28-7,261.94-2,872.24

Finding the Fourth Proportional to 5,262.28, 7,261.94 and 2,872.24

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Solution

The fourth proportional to 5,262.28, 7,261.94 and 2,872.24 is: 3,963.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.28 : 7,261.94 = 2,872.24 : x
  2. Step 2: Convert to fraction form
    5,262.28/7,261.94 = 2,872.24/x
  3. Step 3: Cross multiply
    5,262.28x = 7,261.94 × 2,872.24
  4. Step 4: Simplify right side
    5,262.28x = 20,858,034.55
  5. Step 5: Solve for x
    x = 20,858,034.55/5,262.28
  6. Step 6: Final answer
    x = 3,963.69

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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.