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Finding the Fourth Proportional to 3,791.91, 5,688.66 and 1,600.67

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Solution

The fourth proportional to 3,791.91, 5,688.66 and 1,600.67 is: 2,401.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,791.91 : 5,688.66 = 1,600.67 : x
  2. Step 2: Convert to fraction form
    3,791.91/5,688.66 = 1,600.67/x
  3. Step 3: Cross multiply
    3,791.91x = 5,688.66 × 1,600.67
  4. Step 4: Simplify right side
    3,791.91x = 9,105,638.96
  5. Step 5: Solve for x
    x = 9,105,638.96/3,791.91
  6. Step 6: Final answer
    x = 2,401.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.