Home / 5,375.50-7,418.56-3,137.46

Finding the Fourth Proportional to 5,375.50, 7,418.56 and 3,137.46

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Solution

The fourth proportional to 5,375.50, 7,418.56 and 3,137.46 is: 4,329.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.50 : 7,418.56 = 3,137.46 : x
  2. Step 2: Convert to fraction form
    5,375.50/7,418.56 = 3,137.46/x
  3. Step 3: Cross multiply
    5,375.50x = 7,418.56 × 3,137.46
  4. Step 4: Simplify right side
    5,375.50x = 23,275,435.26
  5. Step 5: Solve for x
    x = 23,275,435.26/5,375.50
  6. Step 6: Final answer
    x = 4,329.91

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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.