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Finding the Fourth Proportional to 3,169.69, 4,373.10 and 1,910.27

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Solution

The fourth proportional to 3,169.69, 4,373.10 and 1,910.27 is: 2,635.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.69 : 4,373.10 = 1,910.27 : x
  2. Step 2: Convert to fraction form
    3,169.69/4,373.10 = 1,910.27/x
  3. Step 3: Cross multiply
    3,169.69x = 4,373.10 × 1,910.27
  4. Step 4: Simplify right side
    3,169.69x = 8,353,792.19
  5. Step 5: Solve for x
    x = 8,353,792.19/3,169.69
  6. Step 6: Final answer
    x = 2,635.52

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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.