Home / 5,414.36-7,464.38-3,423.92

Finding the Fourth Proportional to 5,414.36, 7,464.38 and 3,423.92

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Solution

The fourth proportional to 5,414.36, 7,464.38 and 3,423.92 is: 4,720.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.36 : 7,464.38 = 3,423.92 : x
  2. Step 2: Convert to fraction form
    5,414.36/7,464.38 = 3,423.92/x
  3. Step 3: Cross multiply
    5,414.36x = 7,464.38 × 3,423.92
  4. Step 4: Simplify right side
    5,414.36x = 25,557,439.97
  5. Step 5: Solve for x
    x = 25,557,439.97/5,414.36
  6. Step 6: Final answer
    x = 4,720.31

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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.