Home / 3,149.94-4,345.38-2,446.44

Finding the Fourth Proportional to 3,149.94, 4,345.38 and 2,446.44

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Solution

The fourth proportional to 3,149.94, 4,345.38 and 2,446.44 is: 3,374.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.94 : 4,345.38 = 2,446.44 : x
  2. Step 2: Convert to fraction form
    3,149.94/4,345.38 = 2,446.44/x
  3. Step 3: Cross multiply
    3,149.94x = 4,345.38 × 2,446.44
  4. Step 4: Simplify right side
    3,149.94x = 10,630,711.45
  5. Step 5: Solve for x
    x = 10,630,711.45/3,149.94
  6. Step 6: Final answer
    x = 3,374.89

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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.