Home / 3,186.26-4,396.45-1,927.13

Finding the Fourth Proportional to 3,186.26, 4,396.45 and 1,927.13

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Solution

The fourth proportional to 3,186.26, 4,396.45 and 1,927.13 is: 2,659.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.26 : 4,396.45 = 1,927.13 : x
  2. Step 2: Convert to fraction form
    3,186.26/4,396.45 = 1,927.13/x
  3. Step 3: Cross multiply
    3,186.26x = 4,396.45 × 1,927.13
  4. Step 4: Simplify right side
    3,186.26x = 8,472,536.86
  5. Step 5: Solve for x
    x = 8,472,536.86/3,186.26
  6. Step 6: Final answer
    x = 2,659.09

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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.