Home / 7,425.88-11,139.40-2,495.48

Finding the Fourth Proportional to 7,425.88, 11,139.40 and 2,495.48

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Solution

The fourth proportional to 7,425.88, 11,139.40 and 2,495.48 is: 3,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.88 : 11,139.40 = 2,495.48 : x
  2. Step 2: Convert to fraction form
    7,425.88/11,139.40 = 2,495.48/x
  3. Step 3: Cross multiply
    7,425.88x = 11,139.40 × 2,495.48
  4. Step 4: Simplify right side
    7,425.88x = 27,798,149.91
  5. Step 5: Solve for x
    x = 27,798,149.91/7,425.88
  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.