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Finding the Fourth Proportional to 5,731.44, 7,908.99 and 3,493.41

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Solution

The fourth proportional to 5,731.44, 7,908.99 and 3,493.41 is: 4,820.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,731.44 : 7,908.99 = 3,493.41 : x
  2. Step 2: Convert to fraction form
    5,731.44/7,908.99 = 3,493.41/x
  3. Step 3: Cross multiply
    5,731.44x = 7,908.99 × 3,493.41
  4. Step 4: Simplify right side
    5,731.44x = 27,629,344.76
  5. Step 5: Solve for x
    x = 27,629,344.76/5,731.44
  6. Step 6: Final answer
    x = 4,820.66

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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.