Home / 2,057.17-3,085.76-1,191.01

Finding the Fourth Proportional to 2,057.17, 3,085.76 and 1,191.01

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Solution

The fourth proportional to 2,057.17, 3,085.76 and 1,191.01 is: 1,786.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,057.17 : 3,085.76 = 1,191.01 : x
  2. Step 2: Convert to fraction form
    2,057.17/3,085.76 = 1,191.01/x
  3. Step 3: Cross multiply
    2,057.17x = 3,085.76 × 1,191.01
  4. Step 4: Simplify right side
    2,057.17x = 3,675,171.02
  5. Step 5: Solve for x
    x = 3,675,171.02/2,057.17
  6. Step 6: Final answer
    x = 1,786.52

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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.