Home / 7,454.57-11,174.52-3,561.71

Finding the Fourth Proportional to 7,454.57, 11,174.52 and 3,561.71

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Solution

The fourth proportional to 7,454.57, 11,174.52 and 3,561.71 is: 5,339.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,454.57 : 11,174.52 = 3,561.71 : x
  2. Step 2: Convert to fraction form
    7,454.57/11,174.52 = 3,561.71/x
  3. Step 3: Cross multiply
    7,454.57x = 11,174.52 × 3,561.71
  4. Step 4: Simplify right side
    7,454.57x = 39,800,399.63
  5. Step 5: Solve for x
    x = 39,800,399.63/7,454.57
  6. Step 6: Final answer
    x = 5,339.06

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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.