Home / 3,933.66-5,451.83-3,859.85

Finding the Fourth Proportional to 3,933.66, 5,451.83 and 3,859.85

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Solution

The fourth proportional to 3,933.66, 5,451.83 and 3,859.85 is: 5,349.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.66 : 5,451.83 = 3,859.85 : x
  2. Step 2: Convert to fraction form
    3,933.66/5,451.83 = 3,859.85/x
  3. Step 3: Cross multiply
    3,933.66x = 5,451.83 × 3,859.85
  4. Step 4: Simplify right side
    3,933.66x = 21,043,199.47
  5. Step 5: Solve for x
    x = 21,043,199.47/3,933.66
  6. Step 6: Final answer
    x = 5,349.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.