Home / 3,752.52-5,179.31-2,181.52

Finding the Fourth Proportional to 3,752.52, 5,179.31 and 2,181.52

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Solution

The fourth proportional to 3,752.52, 5,179.31 and 2,181.52 is: 3,010.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,752.52 : 5,179.31 = 2,181.52 : x
  2. Step 2: Convert to fraction form
    3,752.52/5,179.31 = 2,181.52/x
  3. Step 3: Cross multiply
    3,752.52x = 5,179.31 × 2,181.52
  4. Step 4: Simplify right side
    3,752.52x = 11,298,768.35
  5. Step 5: Solve for x
    x = 11,298,768.35/3,752.52
  6. Step 6: Final answer
    x = 3,010.98

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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.