Home / 5,654.32-8,481.47-2,191.56

Finding the Fourth Proportional to 5,654.32, 8,481.47 and 2,191.56

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Solution

The fourth proportional to 5,654.32, 8,481.47 and 2,191.56 is: 3,287.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,654.32 : 8,481.47 = 2,191.56 : x
  2. Step 2: Convert to fraction form
    5,654.32/8,481.47 = 2,191.56/x
  3. Step 3: Cross multiply
    5,654.32x = 8,481.47 × 2,191.56
  4. Step 4: Simplify right side
    5,654.32x = 18,587,650.39
  5. Step 5: Solve for x
    x = 18,587,650.39/5,654.32
  6. Step 6: Final answer
    x = 3,287.34

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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.