Home / 2,827.92-4,234.56-1,953.12

Finding the Fourth Proportional to 2,827.92, 4,234.56 and 1,953.12

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Solution

The fourth proportional to 2,827.92, 4,234.56 and 1,953.12 is: 2,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,827.92 : 4,234.56 = 1,953.12 : x
  2. Step 2: Convert to fraction form
    2,827.92/4,234.56 = 1,953.12/x
  3. Step 3: Cross multiply
    2,827.92x = 4,234.56 × 1,953.12
  4. Step 4: Simplify right side
    2,827.92x = 8,270,603.83
  5. Step 5: Solve for x
    x = 8,270,603.83/2,827.92
  6. Step 6: Final answer
    x = 2,924.62

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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.