Home / 7,067.40-9,749.61-4,234.02

Finding the Fourth Proportional to 7,067.40, 9,749.61 and 4,234.02

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Solution

The fourth proportional to 7,067.40, 9,749.61 and 4,234.02 is: 5,840.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,067.40 : 9,749.61 = 4,234.02 : x
  2. Step 2: Convert to fraction form
    7,067.40/9,749.61 = 4,234.02/x
  3. Step 3: Cross multiply
    7,067.40x = 9,749.61 × 4,234.02
  4. Step 4: Simplify right side
    7,067.40x = 41,280,043.73
  5. Step 5: Solve for x
    x = 41,280,043.73/7,067.40
  6. Step 6: Final answer
    x = 5,840.91

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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.