Home / 7,425.48-11,138.33-2,495.16

Finding the Fourth Proportional to 7,425.48, 11,138.33 and 2,495.16

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Solution

The fourth proportional to 7,425.48, 11,138.33 and 2,495.16 is: 3,742.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.48 : 11,138.33 = 2,495.16 : x
  2. Step 2: Convert to fraction form
    7,425.48/11,138.33 = 2,495.16/x
  3. Step 3: Cross multiply
    7,425.48x = 11,138.33 × 2,495.16
  4. Step 4: Simplify right side
    7,425.48x = 27,791,921.72
  5. Step 5: Solve for x
    x = 27,791,921.72/7,425.48
  6. Step 6: Final answer
    x = 3,742.78

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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.