Home / 2,382.68-3,288.06-1,334.72

Finding the Fourth Proportional to 2,382.68, 3,288.06 and 1,334.72

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Solution

The fourth proportional to 2,382.68, 3,288.06 and 1,334.72 is: 1,841.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,382.68 : 3,288.06 = 1,334.72 : x
  2. Step 2: Convert to fraction form
    2,382.68/3,288.06 = 1,334.72/x
  3. Step 3: Cross multiply
    2,382.68x = 3,288.06 × 1,334.72
  4. Step 4: Simplify right side
    2,382.68x = 4,388,639.44
  5. Step 5: Solve for x
    x = 4,388,639.44/2,382.68
  6. Step 6: Final answer
    x = 1,841.89

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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.