Home / 2,211.33-3,332.91-1,906.86

Finding the Fourth Proportional to 2,211.33, 3,332.91 and 1,906.86

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Solution

The fourth proportional to 2,211.33, 3,332.91 and 1,906.86 is: 2,874.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.33 : 3,332.91 = 1,906.86 : x
  2. Step 2: Convert to fraction form
    2,211.33/3,332.91 = 1,906.86/x
  3. Step 3: Cross multiply
    2,211.33x = 3,332.91 × 1,906.86
  4. Step 4: Simplify right side
    2,211.33x = 6,355,392.76
  5. Step 5: Solve for x
    x = 6,355,392.76/2,211.33
  6. Step 6: Final answer
    x = 2,874.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.