Home / 5,254.07-7,251.05-2,896.70

Finding the Fourth Proportional to 5,254.07, 7,251.05 and 2,896.70

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Solution

The fourth proportional to 5,254.07, 7,251.05 and 2,896.70 is: 3,997.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.07 : 7,251.05 = 2,896.70 : x
  2. Step 2: Convert to fraction form
    5,254.07/7,251.05 = 2,896.70/x
  3. Step 3: Cross multiply
    5,254.07x = 7,251.05 × 2,896.70
  4. Step 4: Simplify right side
    5,254.07x = 21,004,087.52
  5. Step 5: Solve for x
    x = 21,004,087.52/5,254.07
  6. Step 6: Final answer
    x = 3,997.68

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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.