Home / 4,091.30-6,136.80-1,169.60

Finding the Fourth Proportional to 4,091.30, 6,136.80 and 1,169.60

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Solution

The fourth proportional to 4,091.30, 6,136.80 and 1,169.60 is: 1,754.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,091.30 : 6,136.80 = 1,169.60 : x
  2. Step 2: Convert to fraction form
    4,091.30/6,136.80 = 1,169.60/x
  3. Step 3: Cross multiply
    4,091.30x = 6,136.80 × 1,169.60
  4. Step 4: Simplify right side
    4,091.30x = 7,177,601.28
  5. Step 5: Solve for x
    x = 7,177,601.28/4,091.30
  6. Step 6: Final answer
    x = 1,754.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.