Home / 5,254.57-7,250.92-2,896.71

Finding the Fourth Proportional to 5,254.57, 7,250.92 and 2,896.71

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Solution

The fourth proportional to 5,254.57, 7,250.92 and 2,896.71 is: 3,997.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.57 : 7,250.92 = 2,896.71 : x
  2. Step 2: Convert to fraction form
    5,254.57/7,250.92 = 2,896.71/x
  3. Step 3: Cross multiply
    5,254.57x = 7,250.92 × 2,896.71
  4. Step 4: Simplify right side
    5,254.57x = 21,003,812.47
  5. Step 5: Solve for x
    x = 21,003,812.47/5,254.57
  6. Step 6: Final answer
    x = 3,997.25

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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.