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Finding the Fourth Proportional to 3,611.93, 4,982.51 and 2,195.84

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Solution

The fourth proportional to 3,611.93, 4,982.51 and 2,195.84 is: 3,029.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.93 : 4,982.51 = 2,195.84 : x
  2. Step 2: Convert to fraction form
    3,611.93/4,982.51 = 2,195.84/x
  3. Step 3: Cross multiply
    3,611.93x = 4,982.51 × 2,195.84
  4. Step 4: Simplify right side
    3,611.93x = 10,940,812.70
  5. Step 5: Solve for x
    x = 10,940,812.70/3,611.93
  6. Step 6: Final answer
    x = 3,029.08

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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.