Home / 2,451.22-3,674.40-1,151.17

Finding the Fourth Proportional to 2,451.22, 3,674.40 and 1,151.17

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Solution

The fourth proportional to 2,451.22, 3,674.40 and 1,151.17 is: 1,725.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,451.22 : 3,674.40 = 1,151.17 : x
  2. Step 2: Convert to fraction form
    2,451.22/3,674.40 = 1,151.17/x
  3. Step 3: Cross multiply
    2,451.22x = 3,674.40 × 1,151.17
  4. Step 4: Simplify right side
    2,451.22x = 4,229,859.05
  5. Step 5: Solve for x
    x = 4,229,859.05/2,451.22
  6. Step 6: Final answer
    x = 1,725.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.