Home / 7,413.87-11,122.07-3,715.41

Finding the Fourth Proportional to 7,413.87, 11,122.07 and 3,715.41

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Solution

The fourth proportional to 7,413.87, 11,122.07 and 3,715.41 is: 5,573.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,413.87 : 11,122.07 = 3,715.41 : x
  2. Step 2: Convert to fraction form
    7,413.87/11,122.07 = 3,715.41/x
  3. Step 3: Cross multiply
    7,413.87x = 11,122.07 × 3,715.41
  4. Step 4: Simplify right side
    7,413.87x = 41,323,031.52
  5. Step 5: Solve for x
    x = 41,323,031.52/7,413.87
  6. Step 6: Final answer
    x = 5,573.75

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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.