Home / 2,327.92-3,211.38-2,161.16

Finding the Fourth Proportional to 2,327.92, 3,211.38 and 2,161.16

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Solution

The fourth proportional to 2,327.92, 3,211.38 and 2,161.16 is: 2,981.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,327.92 : 3,211.38 = 2,161.16 : x
  2. Step 2: Convert to fraction form
    2,327.92/3,211.38 = 2,161.16/x
  3. Step 3: Cross multiply
    2,327.92x = 3,211.38 × 2,161.16
  4. Step 4: Simplify right side
    2,327.92x = 6,940,306.00
  5. Step 5: Solve for x
    x = 6,940,306.00/2,327.92
  6. Step 6: Final answer
    x = 2,981.33

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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.