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Finding the Fourth Proportional to 4,159.86, 6,212.82 and 3,769.08

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Solution

The fourth proportional to 4,159.86, 6,212.82 and 3,769.08 is: 5,629.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,159.86 : 6,212.82 = 3,769.08 : x
  2. Step 2: Convert to fraction form
    4,159.86/6,212.82 = 3,769.08/x
  3. Step 3: Cross multiply
    4,159.86x = 6,212.82 × 3,769.08
  4. Step 4: Simplify right side
    4,159.86x = 23,416,615.61
  5. Step 5: Solve for x
    x = 23,416,615.61/4,159.86
  6. Step 6: Final answer
    x = 5,629.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.