Home / 3,141.38-4,334.67-1,882.15

Finding the Fourth Proportional to 3,141.38, 4,334.67 and 1,882.15

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Solution

The fourth proportional to 3,141.38, 4,334.67 and 1,882.15 is: 2,597.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.38 : 4,334.67 = 1,882.15 : x
  2. Step 2: Convert to fraction form
    3,141.38/4,334.67 = 1,882.15/x
  3. Step 3: Cross multiply
    3,141.38x = 4,334.67 × 1,882.15
  4. Step 4: Simplify right side
    3,141.38x = 8,158,488.30
  5. Step 5: Solve for x
    x = 8,158,488.30/3,141.38
  6. Step 6: Final answer
    x = 2,597.10

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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.