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Finding the Fourth Proportional to 6,153.44, 8,491.75 and 3,796.95

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Solution

The fourth proportional to 6,153.44, 8,491.75 and 3,796.95 is: 5,239.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.44 : 8,491.75 = 3,796.95 : x
  2. Step 2: Convert to fraction form
    6,153.44/8,491.75 = 3,796.95/x
  3. Step 3: Cross multiply
    6,153.44x = 8,491.75 × 3,796.95
  4. Step 4: Simplify right side
    6,153.44x = 32,242,750.16
  5. Step 5: Solve for x
    x = 32,242,750.16/6,153.44
  6. Step 6: Final answer
    x = 5,239.79

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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.