Home / 4,876.29-7,315.83-1,413.54

Finding the Fourth Proportional to 4,876.29, 7,315.83 and 1,413.54

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Solution

The fourth proportional to 4,876.29, 7,315.83 and 1,413.54 is: 2,120.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.29 : 7,315.83 = 1,413.54 : x
  2. Step 2: Convert to fraction form
    4,876.29/7,315.83 = 1,413.54/x
  3. Step 3: Cross multiply
    4,876.29x = 7,315.83 × 1,413.54
  4. Step 4: Simplify right side
    4,876.29x = 10,341,218.34
  5. Step 5: Solve for x
    x = 10,341,218.34/4,876.29
  6. Step 6: Final answer
    x = 2,120.71

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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.