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Finding the Fourth Proportional to 5,375.52, 7,418.03 and 3,698.82

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Solution

The fourth proportional to 5,375.52, 7,418.03 and 3,698.82 is: 5,104.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.52 : 7,418.03 = 3,698.82 : x
  2. Step 2: Convert to fraction form
    5,375.52/7,418.03 = 3,698.82/x
  3. Step 3: Cross multiply
    5,375.52x = 7,418.03 × 3,698.82
  4. Step 4: Simplify right side
    5,375.52x = 27,437,939.23
  5. Step 5: Solve for x
    x = 27,437,939.23/5,375.52
  6. Step 6: Final answer
    x = 5,104.24

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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.