Home / 3,850.44-5,314.03-2,172.27

Finding the Fourth Proportional to 3,850.44, 5,314.03 and 2,172.27

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Solution

The fourth proportional to 3,850.44, 5,314.03 and 2,172.27 is: 2,997.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,850.44 : 5,314.03 = 2,172.27 : x
  2. Step 2: Convert to fraction form
    3,850.44/5,314.03 = 2,172.27/x
  3. Step 3: Cross multiply
    3,850.44x = 5,314.03 × 2,172.27
  4. Step 4: Simplify right side
    3,850.44x = 11,543,498.66
  5. Step 5: Solve for x
    x = 11,543,498.66/3,850.44
  6. Step 6: Final answer
    x = 2,997.97

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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.