Home / 4,124.28-5,691.54-2,261.28

Finding the Fourth Proportional to 4,124.28, 5,691.54 and 2,261.28

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Solution

The fourth proportional to 4,124.28, 5,691.54 and 2,261.28 is: 3,120.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,124.28 : 5,691.54 = 2,261.28 : x
  2. Step 2: Convert to fraction form
    4,124.28/5,691.54 = 2,261.28/x
  3. Step 3: Cross multiply
    4,124.28x = 5,691.54 × 2,261.28
  4. Step 4: Simplify right side
    4,124.28x = 12,870,165.57
  5. Step 5: Solve for x
    x = 12,870,165.57/4,124.28
  6. Step 6: Final answer
    x = 3,120.58

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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.