Home / 2,694.25-3,718.02-1,515.32

Finding the Fourth Proportional to 2,694.25, 3,718.02 and 1,515.32

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Solution

The fourth proportional to 2,694.25, 3,718.02 and 1,515.32 is: 2,091.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.25 : 3,718.02 = 1,515.32 : x
  2. Step 2: Convert to fraction form
    2,694.25/3,718.02 = 1,515.32/x
  3. Step 3: Cross multiply
    2,694.25x = 3,718.02 × 1,515.32
  4. Step 4: Simplify right side
    2,694.25x = 5,633,971.48
  5. Step 5: Solve for x
    x = 5,633,971.48/2,694.25
  6. Step 6: Final answer
    x = 2,091.11

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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.