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Finding the Fourth Proportional to 3,973.86, 5,957.15 and 1,892.57

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Solution

The fourth proportional to 3,973.86, 5,957.15 and 1,892.57 is: 2,837.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.86 : 5,957.15 = 1,892.57 : x
  2. Step 2: Convert to fraction form
    3,973.86/5,957.15 = 1,892.57/x
  3. Step 3: Cross multiply
    3,973.86x = 5,957.15 × 1,892.57
  4. Step 4: Simplify right side
    3,973.86x = 11,274,284.13
  5. Step 5: Solve for x
    x = 11,274,284.13/3,973.86
  6. Step 6: Final answer
    x = 2,837.11

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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.