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Finding the Fourth Proportional to 2,375.94, 3,278.88 and 2,080.68

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Solution

The fourth proportional to 2,375.94, 3,278.88 and 2,080.68 is: 2,871.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.94 : 3,278.88 = 2,080.68 : x
  2. Step 2: Convert to fraction form
    2,375.94/3,278.88 = 2,080.68/x
  3. Step 3: Cross multiply
    2,375.94x = 3,278.88 × 2,080.68
  4. Step 4: Simplify right side
    2,375.94x = 6,822,300.04
  5. Step 5: Solve for x
    x = 6,822,300.04/2,375.94
  6. Step 6: Final answer
    x = 2,871.41

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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.