Home / 3,860.99-5,786.61-2,933.75

Finding the Fourth Proportional to 3,860.99, 5,786.61 and 2,933.75

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Solution

The fourth proportional to 3,860.99, 5,786.61 and 2,933.75 is: 4,396.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,860.99 : 5,786.61 = 2,933.75 : x
  2. Step 2: Convert to fraction form
    3,860.99/5,786.61 = 2,933.75/x
  3. Step 3: Cross multiply
    3,860.99x = 5,786.61 × 2,933.75
  4. Step 4: Simplify right side
    3,860.99x = 16,976,467.09
  5. Step 5: Solve for x
    x = 16,976,467.09/3,860.99
  6. Step 6: Final answer
    x = 4,396.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.