Home / 2,168.16-2,992.06-1,236.66

Finding the Fourth Proportional to 2,168.16, 2,992.06 and 1,236.66

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Solution

The fourth proportional to 2,168.16, 2,992.06 and 1,236.66 is: 1,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,168.16 : 2,992.06 = 1,236.66 : x
  2. Step 2: Convert to fraction form
    2,168.16/2,992.06 = 1,236.66/x
  3. Step 3: Cross multiply
    2,168.16x = 2,992.06 × 1,236.66
  4. Step 4: Simplify right side
    2,168.16x = 3,700,144.29
  5. Step 5: Solve for x
    x = 3,700,144.29/2,168.16
  6. Step 6: Final answer
    x = 1,706.59

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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.