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Finding the Fourth Proportional to 5,195.88, 7,169.94 and 2,837.52

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Solution

The fourth proportional to 5,195.88, 7,169.94 and 2,837.52 is: 3,915.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,195.88 : 7,169.94 = 2,837.52 : x
  2. Step 2: Convert to fraction form
    5,195.88/7,169.94 = 2,837.52/x
  3. Step 3: Cross multiply
    5,195.88x = 7,169.94 × 2,837.52
  4. Step 4: Simplify right side
    5,195.88x = 20,344,848.15
  5. Step 5: Solve for x
    x = 20,344,848.15/5,195.88
  6. Step 6: Final answer
    x = 3,915.57

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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.