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Finding the Fourth Proportional to 3,166.65, 4,747.28 and 2,239.29

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Solution

The fourth proportional to 3,166.65, 4,747.28 and 2,239.29 is: 3,357.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.65 : 4,747.28 = 2,239.29 : x
  2. Step 2: Convert to fraction form
    3,166.65/4,747.28 = 2,239.29/x
  3. Step 3: Cross multiply
    3,166.65x = 4,747.28 × 2,239.29
  4. Step 4: Simplify right side
    3,166.65x = 10,630,525.43
  5. Step 5: Solve for x
    x = 10,630,525.43/3,166.65
  6. Step 6: Final answer
    x = 3,357.03

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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.