Home / 5,254.53-7,251.31-2,896.76

Finding the Fourth Proportional to 5,254.53, 7,251.31 and 2,896.76

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Solution

The fourth proportional to 5,254.53, 7,251.31 and 2,896.76 is: 3,997.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.53 : 7,251.31 = 2,896.76 : x
  2. Step 2: Convert to fraction form
    5,254.53/7,251.31 = 2,896.76/x
  3. Step 3: Cross multiply
    5,254.53x = 7,251.31 × 2,896.76
  4. Step 4: Simplify right side
    5,254.53x = 21,005,261.26
  5. Step 5: Solve for x
    x = 21,005,261.26/5,254.53
  6. Step 6: Final answer
    x = 3,997.55

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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.