Home / 3,173.75-4,761.23-982.36

Finding the Fourth Proportional to 3,173.75, 4,761.23 and 982.36

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Solution

The fourth proportional to 3,173.75, 4,761.23 and 982.36 is: 1,473.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,173.75 : 4,761.23 = 982.36 : x
  2. Step 2: Convert to fraction form
    3,173.75/4,761.23 = 982.36/x
  3. Step 3: Cross multiply
    3,173.75x = 4,761.23 × 982.36
  4. Step 4: Simplify right side
    3,173.75x = 4,677,241.90
  5. Step 5: Solve for x
    x = 4,677,241.90/3,173.75
  6. Step 6: Final answer
    x = 1,473.73

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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.