Home / 3,754.90-5,179.34-2,263.28

Finding the Fourth Proportional to 3,754.90, 5,179.34 and 2,263.28

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Solution

The fourth proportional to 3,754.90, 5,179.34 and 2,263.28 is: 3,121.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,754.90 : 5,179.34 = 2,263.28 : x
  2. Step 2: Convert to fraction form
    3,754.90/5,179.34 = 2,263.28/x
  3. Step 3: Cross multiply
    3,754.90x = 5,179.34 × 2,263.28
  4. Step 4: Simplify right side
    3,754.90x = 11,722,296.64
  5. Step 5: Solve for x
    x = 11,722,296.64/3,754.90
  6. Step 6: Final answer
    x = 3,121.87

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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.