Home / 5,400.82-7,454.99-3,163.42

Finding the Fourth Proportional to 5,400.82, 7,454.99 and 3,163.42

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Solution

The fourth proportional to 5,400.82, 7,454.99 and 3,163.42 is: 4,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.82 : 7,454.99 = 3,163.42 : x
  2. Step 2: Convert to fraction form
    5,400.82/7,454.99 = 3,163.42/x
  3. Step 3: Cross multiply
    5,400.82x = 7,454.99 × 3,163.42
  4. Step 4: Simplify right side
    5,400.82x = 23,583,211.37
  5. Step 5: Solve for x
    x = 23,583,211.37/5,400.82
  6. Step 6: Final answer
    x = 4,366.60

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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.