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Finding the Fourth Proportional to 3,713.82, 5,125.12 and 2,035.21

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Solution

The fourth proportional to 3,713.82, 5,125.12 and 2,035.21 is: 2,808.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,713.82 : 5,125.12 = 2,035.21 : x
  2. Step 2: Convert to fraction form
    3,713.82/5,125.12 = 2,035.21/x
  3. Step 3: Cross multiply
    3,713.82x = 5,125.12 × 2,035.21
  4. Step 4: Simplify right side
    3,713.82x = 10,430,698.63
  5. Step 5: Solve for x
    x = 10,430,698.63/3,713.82
  6. Step 6: Final answer
    x = 2,808.62

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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.