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Finding the Fourth Proportional to 3,703.93, 5,112.11 and 2,213.12

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Solution

The fourth proportional to 3,703.93, 5,112.11 and 2,213.12 is: 3,054.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.93 : 5,112.11 = 2,213.12 : x
  2. Step 2: Convert to fraction form
    3,703.93/5,112.11 = 2,213.12/x
  3. Step 3: Cross multiply
    3,703.93x = 5,112.11 × 2,213.12
  4. Step 4: Simplify right side
    3,703.93x = 11,313,731.20
  5. Step 5: Solve for x
    x = 11,313,731.20/3,703.93
  6. Step 6: Final answer
    x = 3,054.52

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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.