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Finding the Fourth Proportional to 4,154, 5,732.52 and 2,291.12

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Solution

The fourth proportional to 4,154, 5,732.52 and 2,291.12 is: 3,161.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154 : 5,732.52 = 2,291.12 : x
  2. Step 2: Convert to fraction form
    4,154/5,732.52 = 2,291.12/x
  3. Step 3: Cross multiply
    4,154x = 5,732.52 × 2,291.12
  4. Step 4: Simplify right side
    4,154x = 13,133,891.22
  5. Step 5: Solve for x
    x = 13,133,891.22/4,154
  6. Step 6: Final answer
    x = 3,161.75

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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.