Home / 3,611.38-4,983.80-2,194.58

Finding the Fourth Proportional to 3,611.38, 4,983.80 and 2,194.58

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Solution

The fourth proportional to 3,611.38, 4,983.80 and 2,194.58 is: 3,028.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.38 : 4,983.80 = 2,194.58 : x
  2. Step 2: Convert to fraction form
    3,611.38/4,983.80 = 2,194.58/x
  3. Step 3: Cross multiply
    3,611.38x = 4,983.80 × 2,194.58
  4. Step 4: Simplify right side
    3,611.38x = 10,937,347.80
  5. Step 5: Solve for x
    x = 10,937,347.80/3,611.38
  6. Step 6: Final answer
    x = 3,028.58

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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.