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Finding the Fourth Proportional to 3,740.44, 5,612.37 and 1,890.58

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Solution

The fourth proportional to 3,740.44, 5,612.37 and 1,890.58 is: 2,836.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,740.44 : 5,612.37 = 1,890.58 : x
  2. Step 2: Convert to fraction form
    3,740.44/5,612.37 = 1,890.58/x
  3. Step 3: Cross multiply
    3,740.44x = 5,612.37 × 1,890.58
  4. Step 4: Simplify right side
    3,740.44x = 10,610,634.47
  5. Step 5: Solve for x
    x = 10,610,634.47/3,740.44
  6. Step 6: Final answer
    x = 2,836.73

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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.