Home / 3,447.52-4,759.23-2,122.36

Finding the Fourth Proportional to 3,447.52, 4,759.23 and 2,122.36

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Solution

The fourth proportional to 3,447.52, 4,759.23 and 2,122.36 is: 2,929.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,447.52 : 4,759.23 = 2,122.36 : x
  2. Step 2: Convert to fraction form
    3,447.52/4,759.23 = 2,122.36/x
  3. Step 3: Cross multiply
    3,447.52x = 4,759.23 × 2,122.36
  4. Step 4: Simplify right side
    3,447.52x = 10,100,799.38
  5. Step 5: Solve for x
    x = 10,100,799.38/3,447.52
  6. Step 6: Final answer
    x = 2,929.87

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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.