Home / 3,226.38-4,447.23-2,176.62

Finding the Fourth Proportional to 3,226.38, 4,447.23 and 2,176.62

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Solution

The fourth proportional to 3,226.38, 4,447.23 and 2,176.62 is: 3,000.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,226.38 : 4,447.23 = 2,176.62 : x
  2. Step 2: Convert to fraction form
    3,226.38/4,447.23 = 2,176.62/x
  3. Step 3: Cross multiply
    3,226.38x = 4,447.23 × 2,176.62
  4. Step 4: Simplify right side
    3,226.38x = 9,679,929.76
  5. Step 5: Solve for x
    x = 9,679,929.76/3,226.38
  6. Step 6: Final answer
    x = 3,000.24

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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.