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Finding the Fourth Proportional to 5,203.39, 7,180.83 and 2,845.66

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Solution

The fourth proportional to 5,203.39, 7,180.83 and 2,845.66 is: 3,927.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,203.39 : 7,180.83 = 2,845.66 : x
  2. Step 2: Convert to fraction form
    5,203.39/7,180.83 = 2,845.66/x
  3. Step 3: Cross multiply
    5,203.39x = 7,180.83 × 2,845.66
  4. Step 4: Simplify right side
    5,203.39x = 20,434,200.70
  5. Step 5: Solve for x
    x = 20,434,200.70/5,203.39
  6. Step 6: Final answer
    x = 3,927.09

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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.