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Finding the Fourth Proportional to 3,794.76, 5,237.45 and 2,379.66

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Solution

The fourth proportional to 3,794.76, 5,237.45 and 2,379.66 is: 3,284.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,794.76 : 5,237.45 = 2,379.66 : x
  2. Step 2: Convert to fraction form
    3,794.76/5,237.45 = 2,379.66/x
  3. Step 3: Cross multiply
    3,794.76x = 5,237.45 × 2,379.66
  4. Step 4: Simplify right side
    3,794.76x = 12,463,338.37
  5. Step 5: Solve for x
    x = 12,463,338.37/3,794.76
  6. Step 6: Final answer
    x = 3,284.35

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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.