Home / 2,057.42-3,086.13-1,191.26

Finding the Fourth Proportional to 2,057.42, 3,086.13 and 1,191.26

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Solution

The fourth proportional to 2,057.42, 3,086.13 and 1,191.26 is: 1,786.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.42 : 3,086.13 = 1,191.26 : x
  2. Step 2: Convert to fraction form
    2,057.42/3,086.13 = 1,191.26/x
  3. Step 3: Cross multiply
    2,057.42x = 3,086.13 × 1,191.26
  4. Step 4: Simplify right side
    2,057.42x = 3,676,383.22
  5. Step 5: Solve for x
    x = 3,676,383.22/2,057.42
  6. Step 6: Final answer
    x = 1,786.89

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.