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Finding the Fourth Proportional to 5,194.80, 7,167.04 and 2,956.11

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Solution

The fourth proportional to 5,194.80, 7,167.04 and 2,956.11 is: 4,078.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,194.80 : 7,167.04 = 2,956.11 : x
  2. Step 2: Convert to fraction form
    5,194.80/7,167.04 = 2,956.11/x
  3. Step 3: Cross multiply
    5,194.80x = 7,167.04 × 2,956.11
  4. Step 4: Simplify right side
    5,194.80x = 21,186,575.75
  5. Step 5: Solve for x
    x = 21,186,575.75/5,194.80
  6. Step 6: Final answer
    x = 4,078.42

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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.