Home / 5,441.80-8,161.82-2,153.96

Finding the Fourth Proportional to 5,441.80, 8,161.82 and 2,153.96

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Solution

The fourth proportional to 5,441.80, 8,161.82 and 2,153.96 is: 3,230.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,441.80 : 8,161.82 = 2,153.96 : x
  2. Step 2: Convert to fraction form
    5,441.80/8,161.82 = 2,153.96/x
  3. Step 3: Cross multiply
    5,441.80x = 8,161.82 × 2,153.96
  4. Step 4: Simplify right side
    5,441.80x = 17,580,233.81
  5. Step 5: Solve for x
    x = 17,580,233.81/5,441.80
  6. Step 6: Final answer
    x = 3,230.59

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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.