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Finding the Fourth Proportional to 3,398.76, 5,098.68 and 1,667.25

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Solution

The fourth proportional to 3,398.76, 5,098.68 and 1,667.25 is: 2,501.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,398.76 : 5,098.68 = 1,667.25 : x
  2. Step 2: Convert to fraction form
    3,398.76/5,098.68 = 1,667.25/x
  3. Step 3: Cross multiply
    3,398.76x = 5,098.68 × 1,667.25
  4. Step 4: Simplify right side
    3,398.76x = 8,500,774.23
  5. Step 5: Solve for x
    x = 8,500,774.23/3,398.76
  6. Step 6: Final answer
    x = 2,501.14

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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.