Home / 3,654.09-5,481.69-1,922.85

Finding the Fourth Proportional to 3,654.09, 5,481.69 and 1,922.85

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Solution

The fourth proportional to 3,654.09, 5,481.69 and 1,922.85 is: 2,884.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,654.09 : 5,481.69 = 1,922.85 : x
  2. Step 2: Convert to fraction form
    3,654.09/5,481.69 = 1,922.85/x
  3. Step 3: Cross multiply
    3,654.09x = 5,481.69 × 1,922.85
  4. Step 4: Simplify right side
    3,654.09x = 10,540,467.62
  5. Step 5: Solve for x
    x = 10,540,467.62/3,654.09
  6. Step 6: Final answer
    x = 2,884.57

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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.