Home / 3,611.32-4,983.25-2,039.11

Finding the Fourth Proportional to 3,611.32, 4,983.25 and 2,039.11

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Solution

The fourth proportional to 3,611.32, 4,983.25 and 2,039.11 is: 2,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,611.32 : 4,983.25 = 2,039.11 : x
  2. Step 2: Convert to fraction form
    3,611.32/4,983.25 = 2,039.11/x
  3. Step 3: Cross multiply
    3,611.32x = 4,983.25 × 2,039.11
  4. Step 4: Simplify right side
    3,611.32x = 10,161,394.91
  5. Step 5: Solve for x
    x = 10,161,394.91/3,611.32
  6. Step 6: Final answer
    x = 2,813.76

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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.