Home / 3,950.26-5,451.51-2,182.06

Finding the Fourth Proportional to 3,950.26, 5,451.51 and 2,182.06

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Solution

The fourth proportional to 3,950.26, 5,451.51 and 2,182.06 is: 3,011.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.26 : 5,451.51 = 2,182.06 : x
  2. Step 2: Convert to fraction form
    3,950.26/5,451.51 = 2,182.06/x
  3. Step 3: Cross multiply
    3,950.26x = 5,451.51 × 2,182.06
  4. Step 4: Simplify right side
    3,950.26x = 11,895,521.91
  5. Step 5: Solve for x
    x = 11,895,521.91/3,950.26
  6. Step 6: Final answer
    x = 3,011.33

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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.