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Finding the Fourth Proportional to 3,462.75, 5,194.13 and 1,383.68

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Solution

The fourth proportional to 3,462.75, 5,194.13 and 1,383.68 is: 2,075.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,462.75 : 5,194.13 = 1,383.68 : x
  2. Step 2: Convert to fraction form
    3,462.75/5,194.13 = 1,383.68/x
  3. Step 3: Cross multiply
    3,462.75x = 5,194.13 × 1,383.68
  4. Step 4: Simplify right side
    3,462.75x = 7,187,019.87
  5. Step 5: Solve for x
    x = 7,187,019.87/3,462.75
  6. Step 6: Final answer
    x = 2,075.52

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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.