Home / 4,015.12-5,540.61-2,246.71

Finding the Fourth Proportional to 4,015.12, 5,540.61 and 2,246.71

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Solution

The fourth proportional to 4,015.12, 5,540.61 and 2,246.71 is: 3,100.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.12 : 5,540.61 = 2,246.71 : x
  2. Step 2: Convert to fraction form
    4,015.12/5,540.61 = 2,246.71/x
  3. Step 3: Cross multiply
    4,015.12x = 5,540.61 × 2,246.71
  4. Step 4: Simplify right side
    4,015.12x = 12,448,143.89
  5. Step 5: Solve for x
    x = 12,448,143.89/4,015.12
  6. Step 6: Final answer
    x = 3,100.32

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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.