Home / 3,846.24-5,307.41-2,167.61

Finding the Fourth Proportional to 3,846.24, 5,307.41 and 2,167.61

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Solution

The fourth proportional to 3,846.24, 5,307.41 and 2,167.61 is: 2,991.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.24 : 5,307.41 = 2,167.61 : x
  2. Step 2: Convert to fraction form
    3,846.24/5,307.41 = 2,167.61/x
  3. Step 3: Cross multiply
    3,846.24x = 5,307.41 × 2,167.61
  4. Step 4: Simplify right side
    3,846.24x = 11,504,357.62
  5. Step 5: Solve for x
    x = 11,504,357.62/3,846.24
  6. Step 6: Final answer
    x = 2,991.07

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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.