Home / 6,120.35-9,180.72-3,753.93

Finding the Fourth Proportional to 6,120.35, 9,180.72 and 3,753.93

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Solution

The fourth proportional to 6,120.35, 9,180.72 and 3,753.93 is: 5,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.35 : 9,180.72 = 3,753.93 : x
  2. Step 2: Convert to fraction form
    6,120.35/9,180.72 = 3,753.93/x
  3. Step 3: Cross multiply
    6,120.35x = 9,180.72 × 3,753.93
  4. Step 4: Simplify right side
    6,120.35x = 34,463,780.23
  5. Step 5: Solve for x
    x = 34,463,780.23/6,120.35
  6. Step 6: Final answer
    x = 5,631.02

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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.