Home / 2,451.27-3,383.19-1,456.90

Finding the Fourth Proportional to 2,451.27, 3,383.19 and 1,456.90

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Solution

The fourth proportional to 2,451.27, 3,383.19 and 1,456.90 is: 2,010.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.27 : 3,383.19 = 1,456.90 : x
  2. Step 2: Convert to fraction form
    2,451.27/3,383.19 = 1,456.90/x
  3. Step 3: Cross multiply
    2,451.27x = 3,383.19 × 1,456.90
  4. Step 4: Simplify right side
    2,451.27x = 4,928,969.51
  5. Step 5: Solve for x
    x = 4,928,969.51/2,451.27
  6. Step 6: Final answer
    x = 2,010.78

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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.