Home / 3,611.12-4,982.85-2,017.56

Finding the Fourth Proportional to 3,611.12, 4,982.85 and 2,017.56

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Solution

The fourth proportional to 3,611.12, 4,982.85 and 2,017.56 is: 2,783.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.12 : 4,982.85 = 2,017.56 : x
  2. Step 2: Convert to fraction form
    3,611.12/4,982.85 = 2,017.56/x
  3. Step 3: Cross multiply
    3,611.12x = 4,982.85 × 2,017.56
  4. Step 4: Simplify right side
    3,611.12x = 10,053,198.85
  5. Step 5: Solve for x
    x = 10,053,198.85/3,611.12
  6. Step 6: Final answer
    x = 2,783.96

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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.