Home / 2,372.12-3,554.66-2,112.62

Finding the Fourth Proportional to 2,372.12, 3,554.66 and 2,112.62

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Solution

The fourth proportional to 2,372.12, 3,554.66 and 2,112.62 is: 3,165.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,372.12 : 3,554.66 = 2,112.62 : x
  2. Step 2: Convert to fraction form
    2,372.12/3,554.66 = 2,112.62/x
  3. Step 3: Cross multiply
    2,372.12x = 3,554.66 × 2,112.62
  4. Step 4: Simplify right side
    2,372.12x = 7,509,617.47
  5. Step 5: Solve for x
    x = 7,509,617.47/2,372.12
  6. Step 6: Final answer
    x = 3,165.79

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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.