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Finding the Fourth Proportional to 3,371.07, 5,057.60 and 1,728.77

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Solution

The fourth proportional to 3,371.07, 5,057.60 and 1,728.77 is: 2,593.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,371.07 : 5,057.60 = 1,728.77 : x
  2. Step 2: Convert to fraction form
    3,371.07/5,057.60 = 1,728.77/x
  3. Step 3: Cross multiply
    3,371.07x = 5,057.60 × 1,728.77
  4. Step 4: Simplify right side
    3,371.07x = 8,743,393.22
  5. Step 5: Solve for x
    x = 8,743,393.22/3,371.07
  6. Step 6: Final answer
    x = 2,593.66

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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.