Home / 1,966.41-2,713.62-1,082.19

Finding the Fourth Proportional to 1,966.41, 2,713.62 and 1,082.19

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Solution

The fourth proportional to 1,966.41, 2,713.62 and 1,082.19 is: 1,493.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,966.41 : 2,713.62 = 1,082.19 : x
  2. Step 2: Convert to fraction form
    1,966.41/2,713.62 = 1,082.19/x
  3. Step 3: Cross multiply
    1,966.41x = 2,713.62 × 1,082.19
  4. Step 4: Simplify right side
    1,966.41x = 2,936,652.43
  5. Step 5: Solve for x
    x = 2,936,652.43/1,966.41
  6. Step 6: Final answer
    x = 1,493.41

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Half scale
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Double scale
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Similar ratio
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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.