Home / 3,074.51-4,243.20-1,748.54

Finding the Fourth Proportional to 3,074.51, 4,243.20 and 1,748.54

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Solution

The fourth proportional to 3,074.51, 4,243.20 and 1,748.54 is: 2,413.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.51 : 4,243.20 = 1,748.54 : x
  2. Step 2: Convert to fraction form
    3,074.51/4,243.20 = 1,748.54/x
  3. Step 3: Cross multiply
    3,074.51x = 4,243.20 × 1,748.54
  4. Step 4: Simplify right side
    3,074.51x = 7,419,404.93
  5. Step 5: Solve for x
    x = 7,419,404.93/3,074.51
  6. Step 6: Final answer
    x = 2,413.20

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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.