Home / 4,013.57-5,538.76-2,245.21

Finding the Fourth Proportional to 4,013.57, 5,538.76 and 2,245.21

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Solution

The fourth proportional to 4,013.57, 5,538.76 and 2,245.21 is: 3,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,013.57 : 5,538.76 = 2,245.21 : x
  2. Step 2: Convert to fraction form
    4,013.57/5,538.76 = 2,245.21/x
  3. Step 3: Cross multiply
    4,013.57x = 5,538.76 × 2,245.21
  4. Step 4: Simplify right side
    4,013.57x = 12,435,659.88
  5. Step 5: Solve for x
    x = 12,435,659.88/4,013.57
  6. Step 6: Final answer
    x = 3,098.40

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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.