Home / 6,413.33-9,621-2,715.58

Finding the Fourth Proportional to 6,413.33, 9,621 and 2,715.58

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Solution

The fourth proportional to 6,413.33, 9,621 and 2,715.58 is: 4,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,413.33 : 9,621 = 2,715.58 : x
  2. Step 2: Convert to fraction form
    6,413.33/9,621 = 2,715.58/x
  3. Step 3: Cross multiply
    6,413.33x = 9,621 × 2,715.58
  4. Step 4: Simplify right side
    6,413.33x = 26,126,571.13
  5. Step 5: Solve for x
    x = 26,126,571.13/6,413.33
  6. Step 6: Final answer
    x = 4,073.79

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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.