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Finding the Fourth Proportional to 5,797.88, 8,004.54 and 3,811.76

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Solution

The fourth proportional to 5,797.88, 8,004.54 and 3,811.76 is: 5,262.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,797.88 : 8,004.54 = 3,811.76 : x
  2. Step 2: Convert to fraction form
    5,797.88/8,004.54 = 3,811.76/x
  3. Step 3: Cross multiply
    5,797.88x = 8,004.54 × 3,811.76
  4. Step 4: Simplify right side
    5,797.88x = 30,511,385.39
  5. Step 5: Solve for x
    x = 30,511,385.39/5,797.88
  6. Step 6: Final answer
    x = 5,262.51

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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.