Home / 5,254.75-7,251.56-2,896.94

Finding the Fourth Proportional to 5,254.75, 7,251.56 and 2,896.94

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Solution

The fourth proportional to 5,254.75, 7,251.56 and 2,896.94 is: 3,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.75 : 7,251.56 = 2,896.94 : x
  2. Step 2: Convert to fraction form
    5,254.75/7,251.56 = 2,896.94/x
  3. Step 3: Cross multiply
    5,254.75x = 7,251.56 × 2,896.94
  4. Step 4: Simplify right side
    5,254.75x = 21,007,319.74
  5. Step 5: Solve for x
    x = 21,007,319.74/5,254.75
  6. Step 6: Final answer
    x = 3,997.78

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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.