Home / 2,227.14-3,073.38-1,270.21

Finding the Fourth Proportional to 2,227.14, 3,073.38 and 1,270.21

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Solution

The fourth proportional to 2,227.14, 3,073.38 and 1,270.21 is: 1,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.14 : 3,073.38 = 1,270.21 : x
  2. Step 2: Convert to fraction form
    2,227.14/3,073.38 = 1,270.21/x
  3. Step 3: Cross multiply
    2,227.14x = 3,073.38 × 1,270.21
  4. Step 4: Simplify right side
    2,227.14x = 3,903,838.01
  5. Step 5: Solve for x
    x = 3,903,838.01/2,227.14
  6. Step 6: Final answer
    x = 1,752.85

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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.