Home / 4,015.78-5,541.90-2,247.36

Finding the Fourth Proportional to 4,015.78, 5,541.90 and 2,247.36

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Solution

The fourth proportional to 4,015.78, 5,541.90 and 2,247.36 is: 3,101.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,015.78 : 5,541.90 = 2,247.36 : x
  2. Step 2: Convert to fraction form
    4,015.78/5,541.90 = 2,247.36/x
  3. Step 3: Cross multiply
    4,015.78x = 5,541.90 × 2,247.36
  4. Step 4: Simplify right side
    4,015.78x = 12,454,644.38
  5. Step 5: Solve for x
    x = 12,454,644.38/4,015.78
  6. Step 6: Final answer
    x = 3,101.43

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Half scale
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Double scale
Find fourth proportional to 4,016.78, 5,543.28 and 2,248.36
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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.