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Finding the Fourth Proportional to 3,998.39, 6,010.56 and 3,707.28

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Solution

The fourth proportional to 3,998.39, 6,010.56 and 3,707.28 is: 5,572.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.39 : 6,010.56 = 3,707.28 : x
  2. Step 2: Convert to fraction form
    3,998.39/6,010.56 = 3,707.28/x
  3. Step 3: Cross multiply
    3,998.39x = 6,010.56 × 3,707.28
  4. Step 4: Simplify right side
    3,998.39x = 22,282,828.88
  5. Step 5: Solve for x
    x = 22,282,828.88/3,998.39
  6. Step 6: Final answer
    x = 5,572.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.