Home / 5,254.92-7,251.88-2,897.04

Finding the Fourth Proportional to 5,254.92, 7,251.88 and 2,897.04

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Solution

The fourth proportional to 5,254.92, 7,251.88 and 2,897.04 is: 3,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.92 : 7,251.88 = 2,897.04 : x
  2. Step 2: Convert to fraction form
    5,254.92/7,251.88 = 2,897.04/x
  3. Step 3: Cross multiply
    5,254.92x = 7,251.88 × 2,897.04
  4. Step 4: Simplify right side
    5,254.92x = 21,008,986.44
  5. Step 5: Solve for x
    x = 21,008,986.44/5,254.92
  6. Step 6: Final answer
    x = 3,997.97

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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.