Home / 2,827.91-4,234.55-1,953.11

Finding the Fourth Proportional to 2,827.91, 4,234.55 and 1,953.11

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Solution

The fourth proportional to 2,827.91, 4,234.55 and 1,953.11 is: 2,924.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.91 : 4,234.55 = 1,953.11 : x
  2. Step 2: Convert to fraction form
    2,827.91/4,234.55 = 1,953.11/x
  3. Step 3: Cross multiply
    2,827.91x = 4,234.55 × 1,953.11
  4. Step 4: Simplify right side
    2,827.91x = 8,270,511.01
  5. Step 5: Solve for x
    x = 8,270,511.01/2,827.91
  6. Step 6: Final answer
    x = 2,924.61

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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.