Home / 7,351.88-10,147.74-4,481.65

Finding the Fourth Proportional to 7,351.88, 10,147.74 and 4,481.65

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Solution

The fourth proportional to 7,351.88, 10,147.74 and 4,481.65 is: 6,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,351.88 : 10,147.74 = 4,481.65 : x
  2. Step 2: Convert to fraction form
    7,351.88/10,147.74 = 4,481.65/x
  3. Step 3: Cross multiply
    7,351.88x = 10,147.74 × 4,481.65
  4. Step 4: Simplify right side
    7,351.88x = 45,478,568.23
  5. Step 5: Solve for x
    x = 45,478,568.23/7,351.88
  6. Step 6: Final answer
    x = 6,185.98

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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.