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Finding the Fourth Proportional to 4,239.74, 5,850.74 and 2,351.30

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Solution

The fourth proportional to 4,239.74, 5,850.74 and 2,351.30 is: 3,244.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.74 : 5,850.74 = 2,351.30 : x
  2. Step 2: Convert to fraction form
    4,239.74/5,850.74 = 2,351.30/x
  3. Step 3: Cross multiply
    4,239.74x = 5,850.74 × 2,351.30
  4. Step 4: Simplify right side
    4,239.74x = 13,756,803.95
  5. Step 5: Solve for x
    x = 13,756,803.95/4,239.74
  6. Step 6: Final answer
    x = 3,244.73

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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.