Home / 3,925.44-5,418.12-2,432.48

Finding the Fourth Proportional to 3,925.44, 5,418.12 and 2,432.48

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Solution

The fourth proportional to 3,925.44, 5,418.12 and 2,432.48 is: 3,357.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,925.44 : 5,418.12 = 2,432.48 : x
  2. Step 2: Convert to fraction form
    3,925.44/5,418.12 = 2,432.48/x
  3. Step 3: Cross multiply
    3,925.44x = 5,418.12 × 2,432.48
  4. Step 4: Simplify right side
    3,925.44x = 13,179,468.54
  5. Step 5: Solve for x
    x = 13,179,468.54/3,925.44
  6. Step 6: Final answer
    x = 3,357.45

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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.