Home / 3,974.75-5,485.41-2,296.23

Finding the Fourth Proportional to 3,974.75, 5,485.41 and 2,296.23

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Solution

The fourth proportional to 3,974.75, 5,485.41 and 2,296.23 is: 3,168.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974.75 : 5,485.41 = 2,296.23 : x
  2. Step 2: Convert to fraction form
    3,974.75/5,485.41 = 2,296.23/x
  3. Step 3: Cross multiply
    3,974.75x = 5,485.41 × 2,296.23
  4. Step 4: Simplify right side
    3,974.75x = 12,595,771.62
  5. Step 5: Solve for x
    x = 12,595,771.62/3,974.75
  6. Step 6: Final answer
    x = 3,168.94

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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.