Home / 7,185.27-10,770.60-5,450.25

Finding the Fourth Proportional to 7,185.27, 10,770.60 and 5,450.25

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Solution

The fourth proportional to 7,185.27, 10,770.60 and 5,450.25 is: 8,169.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,185.27 : 10,770.60 = 5,450.25 : x
  2. Step 2: Convert to fraction form
    7,185.27/10,770.60 = 5,450.25/x
  3. Step 3: Cross multiply
    7,185.27x = 10,770.60 × 5,450.25
  4. Step 4: Simplify right side
    7,185.27x = 58,702,462.65
  5. Step 5: Solve for x
    x = 58,702,462.65/7,185.27
  6. Step 6: Final answer
    x = 8,169.83

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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.