Home / 7,159.24-10,738.66-2,942.36

Finding the Fourth Proportional to 7,159.24, 10,738.66 and 2,942.36

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Solution

The fourth proportional to 7,159.24, 10,738.66 and 2,942.36 is: 4,413.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.24 : 10,738.66 = 2,942.36 : x
  2. Step 2: Convert to fraction form
    7,159.24/10,738.66 = 2,942.36/x
  3. Step 3: Cross multiply
    7,159.24x = 10,738.66 × 2,942.36
  4. Step 4: Simplify right side
    7,159.24x = 31,597,003.64
  5. Step 5: Solve for x
    x = 31,597,003.64/7,159.24
  6. Step 6: Final answer
    x = 4,413.46

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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.