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Finding the Fourth Proportional to 2,694.94, 3,721.18 and 1,751.20

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Solution

The fourth proportional to 2,694.94, 3,721.18 and 1,751.20 is: 2,418.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,694.94 : 3,721.18 = 1,751.20 : x
  2. Step 2: Convert to fraction form
    2,694.94/3,721.18 = 1,751.20/x
  3. Step 3: Cross multiply
    2,694.94x = 3,721.18 × 1,751.20
  4. Step 4: Simplify right side
    2,694.94x = 6,516,530.42
  5. Step 5: Solve for x
    x = 6,516,530.42/2,694.94
  6. Step 6: Final answer
    x = 2,418.06

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1.5x scale

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.