Home / 3,752.27-5,178.77-2,181.27

Finding the Fourth Proportional to 3,752.27, 5,178.77 and 2,181.27

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Solution

The fourth proportional to 3,752.27, 5,178.77 and 2,181.27 is: 3,010.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.27 : 5,178.77 = 2,181.27 : x
  2. Step 2: Convert to fraction form
    3,752.27/5,178.77 = 2,181.27/x
  3. Step 3: Cross multiply
    3,752.27x = 5,178.77 × 2,181.27
  4. Step 4: Simplify right side
    3,752.27x = 11,296,284.73
  5. Step 5: Solve for x
    x = 11,296,284.73/3,752.27
  6. Step 6: Final answer
    x = 3,010.52

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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.