Home / 2,677.46-3,687.27-2,620.22

Finding the Fourth Proportional to 2,677.46, 3,687.27 and 2,620.22

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Solution

The fourth proportional to 2,677.46, 3,687.27 and 2,620.22 is: 3,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,677.46 : 3,687.27 = 2,620.22 : x
  2. Step 2: Convert to fraction form
    2,677.46/3,687.27 = 2,620.22/x
  3. Step 3: Cross multiply
    2,677.46x = 3,687.27 × 2,620.22
  4. Step 4: Simplify right side
    2,677.46x = 9,661,440.16
  5. Step 5: Solve for x
    x = 9,661,440.16/2,677.46
  6. Step 6: Final answer
    x = 3,608.44

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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.