Home / 3,950.22-5,451.59-2,272.16

Finding the Fourth Proportional to 3,950.22, 5,451.59 and 2,272.16

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Solution

The fourth proportional to 3,950.22, 5,451.59 and 2,272.16 is: 3,135.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,950.22 : 5,451.59 = 2,272.16 : x
  2. Step 2: Convert to fraction form
    3,950.22/5,451.59 = 2,272.16/x
  3. Step 3: Cross multiply
    3,950.22x = 5,451.59 × 2,272.16
  4. Step 4: Simplify right side
    3,950.22x = 12,386,846.12
  5. Step 5: Solve for x
    x = 12,386,846.12/3,950.22
  6. Step 6: Final answer
    x = 3,135.74

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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.