Home / 3,507.18-5,261.61-1,198.62

Finding the Fourth Proportional to 3,507.18, 5,261.61 and 1,198.62

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Solution

The fourth proportional to 3,507.18, 5,261.61 and 1,198.62 is: 1,798.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,507.18 : 5,261.61 = 1,198.62 : x
  2. Step 2: Convert to fraction form
    3,507.18/5,261.61 = 1,198.62/x
  3. Step 3: Cross multiply
    3,507.18x = 5,261.61 × 1,198.62
  4. Step 4: Simplify right side
    3,507.18x = 6,306,670.98
  5. Step 5: Solve for x
    x = 6,306,670.98/3,507.18
  6. Step 6: Final answer
    x = 1,798.22

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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.