Home / 7,580.76-11,372.18-2,649.26

Finding the Fourth Proportional to 7,580.76, 11,372.18 and 2,649.26

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Solution

The fourth proportional to 7,580.76, 11,372.18 and 2,649.26 is: 3,974.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,580.76 : 11,372.18 = 2,649.26 : x
  2. Step 2: Convert to fraction form
    7,580.76/11,372.18 = 2,649.26/x
  3. Step 3: Cross multiply
    7,580.76x = 11,372.18 × 2,649.26
  4. Step 4: Simplify right side
    7,580.76x = 30,127,791.48
  5. Step 5: Solve for x
    x = 30,127,791.48/7,580.76
  6. Step 6: Final answer
    x = 3,974.24

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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.