Home / 3,174.52-4,380.31-1,994.75

Finding the Fourth Proportional to 3,174.52, 4,380.31 and 1,994.75

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Solution

The fourth proportional to 3,174.52, 4,380.31 and 1,994.75 is: 2,752.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,174.52 : 4,380.31 = 1,994.75 : x
  2. Step 2: Convert to fraction form
    3,174.52/4,380.31 = 1,994.75/x
  3. Step 3: Cross multiply
    3,174.52x = 4,380.31 × 1,994.75
  4. Step 4: Simplify right side
    3,174.52x = 8,737,623.37
  5. Step 5: Solve for x
    x = 8,737,623.37/3,174.52
  6. Step 6: Final answer
    x = 2,752.43

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Half scale
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Double scale
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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.