Home / 7,425.74-11,138.40-2,495.66

Finding the Fourth Proportional to 7,425.74, 11,138.40 and 2,495.66

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Solution

The fourth proportional to 7,425.74, 11,138.40 and 2,495.66 is: 3,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.74 : 11,138.40 = 2,495.66 : x
  2. Step 2: Convert to fraction form
    7,425.74/11,138.40 = 2,495.66/x
  3. Step 3: Cross multiply
    7,425.74x = 11,138.40 × 2,495.66
  4. Step 4: Simplify right side
    7,425.74x = 27,797,603.65
  5. Step 5: Solve for x
    x = 27,797,603.65/7,425.74
  6. Step 6: Final answer
    x = 3,743.41

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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.