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Finding the Fourth Proportional to 4,158, 6,237 and 2,106

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Solution

The fourth proportional to 4,158, 6,237 and 2,106 is: 3,159

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,158 : 6,237 = 2,106 : x
  2. Step 2: Convert to fraction form
    4,158/6,237 = 2,106/x
  3. Step 3: Cross multiply
    4,158x = 6,237 × 2,106
  4. Step 4: Simplify right side
    4,158x = 13,135,122
  5. Step 5: Solve for x
    x = 13,135,122/4,158
  6. Step 6: Final answer
    x = 3,159

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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.