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Finding the Fourth Proportional to 3,714.04, 5,572.14 and 1,864

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Solution

The fourth proportional to 3,714.04, 5,572.14 and 1,864 is: 2,796.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,714.04 : 5,572.14 = 1,864 : x
  2. Step 2: Convert to fraction form
    3,714.04/5,572.14 = 1,864/x
  3. Step 3: Cross multiply
    3,714.04x = 5,572.14 × 1,864
  4. Step 4: Simplify right side
    3,714.04x = 10,386,468.96
  5. Step 5: Solve for x
    x = 10,386,468.96/3,714.04
  6. Step 6: Final answer
    x = 2,796.54

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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.