Home / 5,087.94-7,020.18-3,199.02

Finding the Fourth Proportional to 5,087.94, 7,020.18 and 3,199.02

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Solution

The fourth proportional to 5,087.94, 7,020.18 and 3,199.02 is: 4,413.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087.94 : 7,020.18 = 3,199.02 : x
  2. Step 2: Convert to fraction form
    5,087.94/7,020.18 = 3,199.02/x
  3. Step 3: Cross multiply
    5,087.94x = 7,020.18 × 3,199.02
  4. Step 4: Simplify right side
    5,087.94x = 22,457,696.22
  5. Step 5: Solve for x
    x = 22,457,696.22/5,087.94
  6. Step 6: Final answer
    x = 4,413.91

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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.