Home / 4,148.56-6,222.44-1,375.12

Finding the Fourth Proportional to 4,148.56, 6,222.44 and 1,375.12

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Solution

The fourth proportional to 4,148.56, 6,222.44 and 1,375.12 is: 2,062.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.56 : 6,222.44 = 1,375.12 : x
  2. Step 2: Convert to fraction form
    4,148.56/6,222.44 = 1,375.12/x
  3. Step 3: Cross multiply
    4,148.56x = 6,222.44 × 1,375.12
  4. Step 4: Simplify right side
    4,148.56x = 8,556,601.69
  5. Step 5: Solve for x
    x = 8,556,601.69/4,148.56
  6. Step 6: Final answer
    x = 2,062.55

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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.