Home / 4,193.91-5,787.69-2,305.61

Finding the Fourth Proportional to 4,193.91, 5,787.69 and 2,305.61

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Solution

The fourth proportional to 4,193.91, 5,787.69 and 2,305.61 is: 3,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,193.91 : 5,787.69 = 2,305.61 : x
  2. Step 2: Convert to fraction form
    4,193.91/5,787.69 = 2,305.61/x
  3. Step 3: Cross multiply
    4,193.91x = 5,787.69 × 2,305.61
  4. Step 4: Simplify right side
    4,193.91x = 13,344,127.00
  5. Step 5: Solve for x
    x = 13,344,127.00/4,193.91
  6. Step 6: Final answer
    x = 3,181.79

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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.