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Finding the Fourth Proportional to 4,511, 6,221.12 and 3,757.27

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Solution

The fourth proportional to 4,511, 6,221.12 and 3,757.27 is: 5,181.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511 : 6,221.12 = 3,757.27 : x
  2. Step 2: Convert to fraction form
    4,511/6,221.12 = 3,757.27/x
  3. Step 3: Cross multiply
    4,511x = 6,221.12 × 3,757.27
  4. Step 4: Simplify right side
    4,511x = 23,374,427.54
  5. Step 5: Solve for x
    x = 23,374,427.54/4,511
  6. Step 6: Final answer
    x = 5,181.65

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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.