Home / 5,540.52-7,646.40-3,183.48

Finding the Fourth Proportional to 5,540.52, 7,646.40 and 3,183.48

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Solution

The fourth proportional to 5,540.52, 7,646.40 and 3,183.48 is: 4,393.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.52 : 7,646.40 = 3,183.48 : x
  2. Step 2: Convert to fraction form
    5,540.52/7,646.40 = 3,183.48/x
  3. Step 3: Cross multiply
    5,540.52x = 7,646.40 × 3,183.48
  4. Step 4: Simplify right side
    5,540.52x = 24,342,161.47
  5. Step 5: Solve for x
    x = 24,342,161.47/5,540.52
  6. Step 6: Final answer
    x = 4,393.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.