Home / 5,254.74-7,251.63-2,896.90

Finding the Fourth Proportional to 5,254.74, 7,251.63 and 2,896.90

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Solution

The fourth proportional to 5,254.74, 7,251.63 and 2,896.90 is: 3,997.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.74 : 7,251.63 = 2,896.90 : x
  2. Step 2: Convert to fraction form
    5,254.74/7,251.63 = 2,896.90/x
  3. Step 3: Cross multiply
    5,254.74x = 7,251.63 × 2,896.90
  4. Step 4: Simplify right side
    5,254.74x = 21,007,217.95
  5. Step 5: Solve for x
    x = 21,007,217.95/5,254.74
  6. Step 6: Final answer
    x = 3,997.77

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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.