Home / 5,441.58-8,161.29-2,151.36

Finding the Fourth Proportional to 5,441.58, 8,161.29 and 2,151.36

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Solution

The fourth proportional to 5,441.58, 8,161.29 and 2,151.36 is: 3,226.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.58 : 8,161.29 = 2,151.36 : x
  2. Step 2: Convert to fraction form
    5,441.58/8,161.29 = 2,151.36/x
  3. Step 3: Cross multiply
    5,441.58x = 8,161.29 × 2,151.36
  4. Step 4: Simplify right side
    5,441.58x = 17,557,872.85
  5. Step 5: Solve for x
    x = 17,557,872.85/5,441.58
  6. Step 6: Final answer
    x = 3,226.61

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1.5x scale

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.