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Finding the Fourth Proportional to 7,197.39, 10,797.62 and 4,078.89

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Solution

The fourth proportional to 7,197.39, 10,797.62 and 4,078.89 is: 6,119.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,197.39 : 10,797.62 = 4,078.89 : x
  2. Step 2: Convert to fraction form
    7,197.39/10,797.62 = 4,078.89/x
  3. Step 3: Cross multiply
    7,197.39x = 10,797.62 × 4,078.89
  4. Step 4: Simplify right side
    7,197.39x = 44,042,283.85
  5. Step 5: Solve for x
    x = 44,042,283.85/7,197.39
  6. Step 6: Final answer
    x = 6,119.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.