Home / 5,448.62-7,519.65-3,211.22

Finding the Fourth Proportional to 5,448.62, 7,519.65 and 3,211.22

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Solution

The fourth proportional to 5,448.62, 7,519.65 and 3,211.22 is: 4,431.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,448.62 : 7,519.65 = 3,211.22 : x
  2. Step 2: Convert to fraction form
    5,448.62/7,519.65 = 3,211.22/x
  3. Step 3: Cross multiply
    5,448.62x = 7,519.65 × 3,211.22
  4. Step 4: Simplify right side
    5,448.62x = 24,147,221.88
  5. Step 5: Solve for x
    x = 24,147,221.88/5,448.62
  6. Step 6: Final answer
    x = 4,431.81

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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.