Home / 5,254.43-7,251.07-2,896.55

Finding the Fourth Proportional to 5,254.43, 7,251.07 and 2,896.55

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Solution

The fourth proportional to 5,254.43, 7,251.07 and 2,896.55 is: 3,997.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.43 : 7,251.07 = 2,896.55 : x
  2. Step 2: Convert to fraction form
    5,254.43/7,251.07 = 2,896.55/x
  3. Step 3: Cross multiply
    5,254.43x = 7,251.07 × 2,896.55
  4. Step 4: Simplify right side
    5,254.43x = 21,003,086.81
  5. Step 5: Solve for x
    x = 21,003,086.81/5,254.43
  6. Step 6: Final answer
    x = 3,997.22

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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.