Home / 3,186.08-4,396.57-1,769.65

Finding the Fourth Proportional to 3,186.08, 4,396.57 and 1,769.65

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Solution

The fourth proportional to 3,186.08, 4,396.57 and 1,769.65 is: 2,441.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.08 : 4,396.57 = 1,769.65 : x
  2. Step 2: Convert to fraction form
    3,186.08/4,396.57 = 1,769.65/x
  3. Step 3: Cross multiply
    3,186.08x = 4,396.57 × 1,769.65
  4. Step 4: Simplify right side
    3,186.08x = 7,780,359.27
  5. Step 5: Solve for x
    x = 7,780,359.27/3,186.08
  6. Step 6: Final answer
    x = 2,441.99

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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.