Home / 6,153.92-8,491.40-3,796.80

Finding the Fourth Proportional to 6,153.92, 8,491.40 and 3,796.80

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Solution

The fourth proportional to 6,153.92, 8,491.40 and 3,796.80 is: 5,238.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,153.92 : 8,491.40 = 3,796.80 : x
  2. Step 2: Convert to fraction form
    6,153.92/8,491.40 = 3,796.80/x
  3. Step 3: Cross multiply
    6,153.92x = 8,491.40 × 3,796.80
  4. Step 4: Simplify right side
    6,153.92x = 32,240,147.52
  5. Step 5: Solve for x
    x = 32,240,147.52/6,153.92
  6. Step 6: Final answer
    x = 5,238.96

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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.