Home / 7,481.97-10,325.07-4,078.98

Finding the Fourth Proportional to 7,481.97, 10,325.07 and 4,078.98

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Solution

The fourth proportional to 7,481.97, 10,325.07 and 4,078.98 is: 5,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,481.97 : 10,325.07 = 4,078.98 : x
  2. Step 2: Convert to fraction form
    7,481.97/10,325.07 = 4,078.98/x
  3. Step 3: Cross multiply
    7,481.97x = 10,325.07 × 4,078.98
  4. Step 4: Simplify right side
    7,481.97x = 42,115,754.03
  5. Step 5: Solve for x
    x = 42,115,754.03/7,481.97
  6. Step 6: Final answer
    x = 5,628.97

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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.