Home / 2,412.62-3,618.53-1,095.97

Finding the Fourth Proportional to 2,412.62, 3,618.53 and 1,095.97

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Solution

The fourth proportional to 2,412.62, 3,618.53 and 1,095.97 is: 1,643.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,412.62 : 3,618.53 = 1,095.97 : x
  2. Step 2: Convert to fraction form
    2,412.62/3,618.53 = 1,095.97/x
  3. Step 3: Cross multiply
    2,412.62x = 3,618.53 × 1,095.97
  4. Step 4: Simplify right side
    2,412.62x = 3,965,776.75
  5. Step 5: Solve for x
    x = 3,965,776.75/2,412.62
  6. Step 6: Final answer
    x = 1,643.76

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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.