Home / 3,186.55-4,396.57-1,789.27

Finding the Fourth Proportional to 3,186.55, 4,396.57 and 1,789.27

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Solution

The fourth proportional to 3,186.55, 4,396.57 and 1,789.27 is: 2,468.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.55 : 4,396.57 = 1,789.27 : x
  2. Step 2: Convert to fraction form
    3,186.55/4,396.57 = 1,789.27/x
  3. Step 3: Cross multiply
    3,186.55x = 4,396.57 × 1,789.27
  4. Step 4: Simplify right side
    3,186.55x = 7,866,650.80
  5. Step 5: Solve for x
    x = 7,866,650.80/3,186.55
  6. Step 6: Final answer
    x = 2,468.70

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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.