Home / 3,922.26-5,415.30-2,432.37

Finding the Fourth Proportional to 3,922.26, 5,415.30 and 2,432.37

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Solution

The fourth proportional to 3,922.26, 5,415.30 and 2,432.37 is: 3,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,922.26 : 5,415.30 = 2,432.37 : x
  2. Step 2: Convert to fraction form
    3,922.26/5,415.30 = 2,432.37/x
  3. Step 3: Cross multiply
    3,922.26x = 5,415.30 × 2,432.37
  4. Step 4: Simplify right side
    3,922.26x = 13,172,013.26
  5. Step 5: Solve for x
    x = 13,172,013.26/3,922.26
  6. Step 6: Final answer
    x = 3,358.27

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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.