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Finding the Fourth Proportional to 5,604.22, 7,731.80 and 3,716.72

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Solution

The fourth proportional to 5,604.22, 7,731.80 and 3,716.72 is: 5,127.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,604.22 : 7,731.80 = 3,716.72 : x
  2. Step 2: Convert to fraction form
    5,604.22/7,731.80 = 3,716.72/x
  3. Step 3: Cross multiply
    5,604.22x = 7,731.80 × 3,716.72
  4. Step 4: Simplify right side
    5,604.22x = 28,736,942.29
  5. Step 5: Solve for x
    x = 28,736,942.29/5,604.22
  6. Step 6: Final answer
    x = 5,127.73

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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.