Home / 5,481.16-8,208.56-3,134.05

Finding the Fourth Proportional to 5,481.16, 8,208.56 and 3,134.05

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Solution

The fourth proportional to 5,481.16, 8,208.56 and 3,134.05 is: 4,693.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,481.16 : 8,208.56 = 3,134.05 : x
  2. Step 2: Convert to fraction form
    5,481.16/8,208.56 = 3,134.05/x
  3. Step 3: Cross multiply
    5,481.16x = 8,208.56 × 3,134.05
  4. Step 4: Simplify right side
    5,481.16x = 25,726,024.78
  5. Step 5: Solve for x
    x = 25,726,024.78/5,481.16
  6. Step 6: Final answer
    x = 4,693.54

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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.