Home / 3,932.36-5,429.16-2,442.48

Finding the Fourth Proportional to 3,932.36, 5,429.16 and 2,442.48

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Solution

The fourth proportional to 3,932.36, 5,429.16 and 2,442.48 is: 3,372.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,932.36 : 5,429.16 = 2,442.48 : x
  2. Step 2: Convert to fraction form
    3,932.36/5,429.16 = 2,442.48/x
  3. Step 3: Cross multiply
    3,932.36x = 5,429.16 × 2,442.48
  4. Step 4: Simplify right side
    3,932.36x = 13,260,614.72
  5. Step 5: Solve for x
    x = 13,260,614.72/3,932.36
  6. Step 6: Final answer
    x = 3,372.18

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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.