Home / 5,375.62-7,418.37-3,017.71

Finding the Fourth Proportional to 5,375.62, 7,418.37 and 3,017.71

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Solution

The fourth proportional to 5,375.62, 7,418.37 and 3,017.71 is: 4,164.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.62 : 7,418.37 = 3,017.71 : x
  2. Step 2: Convert to fraction form
    5,375.62/7,418.37 = 3,017.71/x
  3. Step 3: Cross multiply
    5,375.62x = 7,418.37 × 3,017.71
  4. Step 4: Simplify right side
    5,375.62x = 22,386,489.33
  5. Step 5: Solve for x
    x = 22,386,489.33/5,375.62
  6. Step 6: Final answer
    x = 4,164.45

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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.