Home / 3,397.39-5,097.52-2,167.20

Finding the Fourth Proportional to 3,397.39, 5,097.52 and 2,167.20

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Solution

The fourth proportional to 3,397.39, 5,097.52 and 2,167.20 is: 3,251.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,397.39 : 5,097.52 = 2,167.20 : x
  2. Step 2: Convert to fraction form
    3,397.39/5,097.52 = 2,167.20/x
  3. Step 3: Cross multiply
    3,397.39x = 5,097.52 × 2,167.20
  4. Step 4: Simplify right side
    3,397.39x = 11,047,345.34
  5. Step 5: Solve for x
    x = 11,047,345.34/3,397.39
  6. Step 6: Final answer
    x = 3,251.72

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Half scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.