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Finding the Fourth Proportional to 3,803.16, 5,710.20 and 2,163

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Solution

The fourth proportional to 3,803.16, 5,710.20 and 2,163 is: 3,247.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.16 : 5,710.20 = 2,163 : x
  2. Step 2: Convert to fraction form
    3,803.16/5,710.20 = 2,163/x
  3. Step 3: Cross multiply
    3,803.16x = 5,710.20 × 2,163
  4. Step 4: Simplify right side
    3,803.16x = 12,351,162.60
  5. Step 5: Solve for x
    x = 12,351,162.60/3,803.16
  6. Step 6: Final answer
    x = 3,247.61

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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.