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Finding the Fourth Proportional to 3,998.31, 5,957.27 and 3,774.75

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Solution

The fourth proportional to 3,998.31, 5,957.27 and 3,774.75 is: 5,624.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,998.31 : 5,957.27 = 3,774.75 : x
  2. Step 2: Convert to fraction form
    3,998.31/5,957.27 = 3,774.75/x
  3. Step 3: Cross multiply
    3,998.31x = 5,957.27 × 3,774.75
  4. Step 4: Simplify right side
    3,998.31x = 22,487,186.06
  5. Step 5: Solve for x
    x = 22,487,186.06/3,998.31
  6. Step 6: Final answer
    x = 5,624.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.