Home / 7,451.91-11,179.07-2,256.57

Finding the Fourth Proportional to 7,451.91, 11,179.07 and 2,256.57

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Solution

The fourth proportional to 7,451.91, 11,179.07 and 2,256.57 is: 3,385.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,451.91 : 11,179.07 = 2,256.57 : x
  2. Step 2: Convert to fraction form
    7,451.91/11,179.07 = 2,256.57/x
  3. Step 3: Cross multiply
    7,451.91x = 11,179.07 × 2,256.57
  4. Step 4: Simplify right side
    7,451.91x = 25,226,342.71
  5. Step 5: Solve for x
    x = 25,226,342.71/7,451.91
  6. Step 6: Final answer
    x = 3,385.22

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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.