Home / 3,074.92-4,243.77-1,748.95

Finding the Fourth Proportional to 3,074.92, 4,243.77 and 1,748.95

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Solution

The fourth proportional to 3,074.92, 4,243.77 and 1,748.95 is: 2,413.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.92 : 4,243.77 = 1,748.95 : x
  2. Step 2: Convert to fraction form
    3,074.92/4,243.77 = 1,748.95/x
  3. Step 3: Cross multiply
    3,074.92x = 4,243.77 × 1,748.95
  4. Step 4: Simplify right side
    3,074.92x = 7,422,130.93
  5. Step 5: Solve for x
    x = 7,422,130.93/3,074.92
  6. Step 6: Final answer
    x = 2,413.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.