Home / 4,942.23-7,413.35-1,982.01

Finding the Fourth Proportional to 4,942.23, 7,413.35 and 1,982.01

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Solution

The fourth proportional to 4,942.23, 7,413.35 and 1,982.01 is: 2,973.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.23 : 7,413.35 = 1,982.01 : x
  2. Step 2: Convert to fraction form
    4,942.23/7,413.35 = 1,982.01/x
  3. Step 3: Cross multiply
    4,942.23x = 7,413.35 × 1,982.01
  4. Step 4: Simplify right side
    4,942.23x = 14,693,323.92
  5. Step 5: Solve for x
    x = 14,693,323.92/4,942.23
  6. Step 6: Final answer
    x = 2,973.02

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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.