Home / 4,790.75-6,611.83-2,974.12

Finding the Fourth Proportional to 4,790.75, 6,611.83 and 2,974.12

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Solution

The fourth proportional to 4,790.75, 6,611.83 and 2,974.12 is: 4,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,790.75 : 6,611.83 = 2,974.12 : x
  2. Step 2: Convert to fraction form
    4,790.75/6,611.83 = 2,974.12/x
  3. Step 3: Cross multiply
    4,790.75x = 6,611.83 × 2,974.12
  4. Step 4: Simplify right side
    4,790.75x = 19,664,351.87
  5. Step 5: Solve for x
    x = 19,664,351.87/4,790.75
  6. Step 6: Final answer
    x = 4,104.65

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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.