Home / 6,406.58-9,608.67-2,942.98

Finding the Fourth Proportional to 6,406.58, 9,608.67 and 2,942.98

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Solution

The fourth proportional to 6,406.58, 9,608.67 and 2,942.98 is: 4,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,406.58 : 9,608.67 = 2,942.98 : x
  2. Step 2: Convert to fraction form
    6,406.58/9,608.67 = 2,942.98/x
  3. Step 3: Cross multiply
    6,406.58x = 9,608.67 × 2,942.98
  4. Step 4: Simplify right side
    6,406.58x = 28,278,123.64
  5. Step 5: Solve for x
    x = 28,278,123.64/6,406.58
  6. Step 6: Final answer
    x = 4,413.92

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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.