Home / 4,876.38-7,315.77-1,413.63

Finding the Fourth Proportional to 4,876.38, 7,315.77 and 1,413.63

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Solution

The fourth proportional to 4,876.38, 7,315.77 and 1,413.63 is: 2,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.38 : 7,315.77 = 1,413.63 : x
  2. Step 2: Convert to fraction form
    4,876.38/7,315.77 = 1,413.63/x
  3. Step 3: Cross multiply
    4,876.38x = 7,315.77 × 1,413.63
  4. Step 4: Simplify right side
    4,876.38x = 10,341,791.95
  5. Step 5: Solve for x
    x = 10,341,791.95/4,876.38
  6. Step 6: Final answer
    x = 2,120.79

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1.5x scale

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.