Home / 2,694.22-3,718.60-1,515.66

Finding the Fourth Proportional to 2,694.22, 3,718.60 and 1,515.66

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Solution

The fourth proportional to 2,694.22, 3,718.60 and 1,515.66 is: 2,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.22 : 3,718.60 = 1,515.66 : x
  2. Step 2: Convert to fraction form
    2,694.22/3,718.60 = 1,515.66/x
  3. Step 3: Cross multiply
    2,694.22x = 3,718.60 × 1,515.66
  4. Step 4: Simplify right side
    2,694.22x = 5,636,133.28
  5. Step 5: Solve for x
    x = 5,636,133.28/2,694.22
  6. Step 6: Final answer
    x = 2,091.94

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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.