Home / 3,192.12-4,404.60-1,865.88

Finding the Fourth Proportional to 3,192.12, 4,404.60 and 1,865.88

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Solution

The fourth proportional to 3,192.12, 4,404.60 and 1,865.88 is: 2,574.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.12 : 4,404.60 = 1,865.88 : x
  2. Step 2: Convert to fraction form
    3,192.12/4,404.60 = 1,865.88/x
  3. Step 3: Cross multiply
    3,192.12x = 4,404.60 × 1,865.88
  4. Step 4: Simplify right side
    3,192.12x = 8,218,455.05
  5. Step 5: Solve for x
    x = 8,218,455.05/3,192.12
  6. Step 6: Final answer
    x = 2,574.61

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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.