Home / 5,591.63-7,716.40-3,073.78

Finding the Fourth Proportional to 5,591.63, 7,716.40 and 3,073.78

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Solution

The fourth proportional to 5,591.63, 7,716.40 and 3,073.78 is: 4,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,591.63 : 7,716.40 = 3,073.78 : x
  2. Step 2: Convert to fraction form
    5,591.63/7,716.40 = 3,073.78/x
  3. Step 3: Cross multiply
    5,591.63x = 7,716.40 × 3,073.78
  4. Step 4: Simplify right side
    5,591.63x = 23,718,517.95
  5. Step 5: Solve for x
    x = 23,718,517.95/5,591.63
  6. Step 6: Final answer
    x = 4,241.79

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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.