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Finding the Fourth Proportional to 3,173.15, 4,759.38 and 833.39

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Solution

The fourth proportional to 3,173.15, 4,759.38 and 833.39 is: 1,249.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.15 : 4,759.38 = 833.39 : x
  2. Step 2: Convert to fraction form
    3,173.15/4,759.38 = 833.39/x
  3. Step 3: Cross multiply
    3,173.15x = 4,759.38 × 833.39
  4. Step 4: Simplify right side
    3,173.15x = 3,966,395.90
  5. Step 5: Solve for x
    x = 3,966,395.90/3,173.15
  6. Step 6: Final answer
    x = 1,249.99

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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.