Home / 3,933.73-5,422.84-2,751.13

Finding the Fourth Proportional to 3,933.73, 5,422.84 and 2,751.13

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Solution

The fourth proportional to 3,933.73, 5,422.84 and 2,751.13 is: 3,792.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,933.73 : 5,422.84 = 2,751.13 : x
  2. Step 2: Convert to fraction form
    3,933.73/5,422.84 = 2,751.13/x
  3. Step 3: Cross multiply
    3,933.73x = 5,422.84 × 2,751.13
  4. Step 4: Simplify right side
    3,933.73x = 14,918,937.81
  5. Step 5: Solve for x
    x = 14,918,937.81/3,933.73
  6. Step 6: Final answer
    x = 3,792.57

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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.