Home / 5,212.62-7,194.15-2,974.68

Finding the Fourth Proportional to 5,212.62, 7,194.15 and 2,974.68

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Solution

The fourth proportional to 5,212.62, 7,194.15 and 2,974.68 is: 4,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.62 : 7,194.15 = 2,974.68 : x
  2. Step 2: Convert to fraction form
    5,212.62/7,194.15 = 2,974.68/x
  3. Step 3: Cross multiply
    5,212.62x = 7,194.15 × 2,974.68
  4. Step 4: Simplify right side
    5,212.62x = 21,400,294.12
  5. Step 5: Solve for x
    x = 21,400,294.12/5,212.62
  6. Step 6: Final answer
    x = 4,105.48

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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.