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Finding the Fourth Proportional to 3,773.83, 5,208.14 and 2,180.79

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Solution

The fourth proportional to 3,773.83, 5,208.14 and 2,180.79 is: 3,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,773.83 : 5,208.14 = 2,180.79 : x
  2. Step 2: Convert to fraction form
    3,773.83/5,208.14 = 2,180.79/x
  3. Step 3: Cross multiply
    3,773.83x = 5,208.14 × 2,180.79
  4. Step 4: Simplify right side
    3,773.83x = 11,357,859.63
  5. Step 5: Solve for x
    x = 11,357,859.63/3,773.83
  6. Step 6: Final answer
    x = 3,009.64

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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.