Home / 3,413.73-5,117.76-2,375.76

Finding the Fourth Proportional to 3,413.73, 5,117.76 and 2,375.76

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Solution

The fourth proportional to 3,413.73, 5,117.76 and 2,375.76 is: 3,561.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,413.73 : 5,117.76 = 2,375.76 : x
  2. Step 2: Convert to fraction form
    3,413.73/5,117.76 = 2,375.76/x
  3. Step 3: Cross multiply
    3,413.73x = 5,117.76 × 2,375.76
  4. Step 4: Simplify right side
    3,413.73x = 12,158,569.50
  5. Step 5: Solve for x
    x = 12,158,569.50/3,413.73
  6. Step 6: Final answer
    x = 3,561.67

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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.