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Finding the Fourth Proportional to 3,794.57, 5,230.79 and 2,953.79

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Solution

The fourth proportional to 3,794.57, 5,230.79 and 2,953.79 is: 4,071.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.57 : 5,230.79 = 2,953.79 : x
  2. Step 2: Convert to fraction form
    3,794.57/5,230.79 = 2,953.79/x
  3. Step 3: Cross multiply
    3,794.57x = 5,230.79 × 2,953.79
  4. Step 4: Simplify right side
    3,794.57x = 15,450,661.58
  5. Step 5: Solve for x
    x = 15,450,661.58/3,794.57
  6. Step 6: Final answer
    x = 4,071.78

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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.