Home / 7,424.25-11,128.33-3,717.54

Finding the Fourth Proportional to 7,424.25, 11,128.33 and 3,717.54

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Solution

The fourth proportional to 7,424.25, 11,128.33 and 3,717.54 is: 5,572.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,424.25 : 11,128.33 = 3,717.54 : x
  2. Step 2: Convert to fraction form
    7,424.25/11,128.33 = 3,717.54/x
  3. Step 3: Cross multiply
    7,424.25x = 11,128.33 × 3,717.54
  4. Step 4: Simplify right side
    7,424.25x = 41,370,011.91
  5. Step 5: Solve for x
    x = 41,370,011.91/7,424.25
  6. Step 6: Final answer
    x = 5,572.28

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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.