Home / 2,326.92-3,211.20-1,382.82

Finding the Fourth Proportional to 2,326.92, 3,211.20 and 1,382.82

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Solution

The fourth proportional to 2,326.92, 3,211.20 and 1,382.82 is: 1,908.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,326.92 : 3,211.20 = 1,382.82 : x
  2. Step 2: Convert to fraction form
    2,326.92/3,211.20 = 1,382.82/x
  3. Step 3: Cross multiply
    2,326.92x = 3,211.20 × 1,382.82
  4. Step 4: Simplify right side
    2,326.92x = 4,440,511.58
  5. Step 5: Solve for x
    x = 4,440,511.58/2,326.92
  6. Step 6: Final answer
    x = 1,908.32

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1.5x scale

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.