Home / 6,617.03-9,131.36-3,784.56

Finding the Fourth Proportional to 6,617.03, 9,131.36 and 3,784.56

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Solution

The fourth proportional to 6,617.03, 9,131.36 and 3,784.56 is: 5,222.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,617.03 : 9,131.36 = 3,784.56 : x
  2. Step 2: Convert to fraction form
    6,617.03/9,131.36 = 3,784.56/x
  3. Step 3: Cross multiply
    6,617.03x = 9,131.36 × 3,784.56
  4. Step 4: Simplify right side
    6,617.03x = 34,558,160.88
  5. Step 5: Solve for x
    x = 34,558,160.88/6,617.03
  6. Step 6: Final answer
    x = 5,222.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.