Home / 5,375.72-7,418.09-3,017.41

Finding the Fourth Proportional to 5,375.72, 7,418.09 and 3,017.41

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Solution

The fourth proportional to 5,375.72, 7,418.09 and 3,017.41 is: 4,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.72 : 7,418.09 = 3,017.41 : x
  2. Step 2: Convert to fraction form
    5,375.72/7,418.09 = 3,017.41/x
  3. Step 3: Cross multiply
    5,375.72x = 7,418.09 × 3,017.41
  4. Step 4: Simplify right side
    5,375.72x = 22,383,418.95
  5. Step 5: Solve for x
    x = 22,383,418.95/5,375.72
  6. Step 6: Final answer
    x = 4,163.80

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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.