Home / 7,191.33-10,781.50-2,258.12

Finding the Fourth Proportional to 7,191.33, 10,781.50 and 2,258.12

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Solution

The fourth proportional to 7,191.33, 10,781.50 and 2,258.12 is: 3,385.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,191.33 : 10,781.50 = 2,258.12 : x
  2. Step 2: Convert to fraction form
    7,191.33/10,781.50 = 2,258.12/x
  3. Step 3: Cross multiply
    7,191.33x = 10,781.50 × 2,258.12
  4. Step 4: Simplify right side
    7,191.33x = 24,345,920.78
  5. Step 5: Solve for x
    x = 24,345,920.78/7,191.33
  6. Step 6: Final answer
    x = 3,385.45

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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.