Home / 4,975.44-7,458.30-3,120.54

Finding the Fourth Proportional to 4,975.44, 7,458.30 and 3,120.54

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Solution

The fourth proportional to 4,975.44, 7,458.30 and 3,120.54 is: 4,677.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,975.44 : 7,458.30 = 3,120.54 : x
  2. Step 2: Convert to fraction form
    4,975.44/7,458.30 = 3,120.54/x
  3. Step 3: Cross multiply
    4,975.44x = 7,458.30 × 3,120.54
  4. Step 4: Simplify right side
    4,975.44x = 23,273,923.48
  5. Step 5: Solve for x
    x = 23,273,923.48/4,975.44
  6. Step 6: Final answer
    x = 4,677.76

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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.