Home / 4,942.53-7,413.75-2,018.78

Finding the Fourth Proportional to 4,942.53, 7,413.75 and 2,018.78

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Solution

The fourth proportional to 4,942.53, 7,413.75 and 2,018.78 is: 3,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,942.53 : 7,413.75 = 2,018.78 : x
  2. Step 2: Convert to fraction form
    4,942.53/7,413.75 = 2,018.78/x
  3. Step 3: Cross multiply
    4,942.53x = 7,413.75 × 2,018.78
  4. Step 4: Simplify right side
    4,942.53x = 14,966,693.16
  5. Step 5: Solve for x
    x = 14,966,693.16/4,942.53
  6. Step 6: Final answer
    x = 3,028.14

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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.