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Finding the Fourth Proportional to 3,797.76, 5,240.77 and 2,225.82

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Solution

The fourth proportional to 3,797.76, 5,240.77 and 2,225.82 is: 3,071.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,797.76 : 5,240.77 = 2,225.82 : x
  2. Step 2: Convert to fraction form
    3,797.76/5,240.77 = 2,225.82/x
  3. Step 3: Cross multiply
    3,797.76x = 5,240.77 × 2,225.82
  4. Step 4: Simplify right side
    3,797.76x = 11,665,010.68
  5. Step 5: Solve for x
    x = 11,665,010.68/3,797.76
  6. Step 6: Final answer
    x = 3,071.55

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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.