Home / 6,140.66-8,474.73-3,623.54

Finding the Fourth Proportional to 6,140.66, 8,474.73 and 3,623.54

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Solution

The fourth proportional to 6,140.66, 8,474.73 and 3,623.54 is: 5,000.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,140.66 : 8,474.73 = 3,623.54 : x
  2. Step 2: Convert to fraction form
    6,140.66/8,474.73 = 3,623.54/x
  3. Step 3: Cross multiply
    6,140.66x = 8,474.73 × 3,623.54
  4. Step 4: Simplify right side
    6,140.66x = 30,708,523.14
  5. Step 5: Solve for x
    x = 30,708,523.14/6,140.66
  6. Step 6: Final answer
    x = 5,000.85

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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.