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Finding the Fourth Proportional to 3,166, 4,369.08 and 1,768.96

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Solution

The fourth proportional to 3,166, 4,369.08 and 1,768.96 is: 2,441.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166 : 4,369.08 = 1,768.96 : x
  2. Step 2: Convert to fraction form
    3,166/4,369.08 = 1,768.96/x
  3. Step 3: Cross multiply
    3,166x = 4,369.08 × 1,768.96
  4. Step 4: Simplify right side
    3,166x = 7,728,727.76
  5. Step 5: Solve for x
    x = 7,728,727.76/3,166
  6. Step 6: Final answer
    x = 2,441.16

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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.