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Finding the Fourth Proportional to 3,714.82, 5,572.21 and 1,249.62

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Solution

The fourth proportional to 3,714.82, 5,572.21 and 1,249.62 is: 1,874.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.82 : 5,572.21 = 1,249.62 : x
  2. Step 2: Convert to fraction form
    3,714.82/5,572.21 = 1,249.62/x
  3. Step 3: Cross multiply
    3,714.82x = 5,572.21 × 1,249.62
  4. Step 4: Simplify right side
    3,714.82x = 6,963,145.06
  5. Step 5: Solve for x
    x = 6,963,145.06/3,714.82
  6. Step 6: Final answer
    x = 1,874.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.