Home / 6,990.23-10,490.61-3,704.06

Finding the Fourth Proportional to 6,990.23, 10,490.61 and 3,704.06

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Solution

The fourth proportional to 6,990.23, 10,490.61 and 3,704.06 is: 5,558.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.23 : 10,490.61 = 3,704.06 : x
  2. Step 2: Convert to fraction form
    6,990.23/10,490.61 = 3,704.06/x
  3. Step 3: Cross multiply
    6,990.23x = 10,490.61 × 3,704.06
  4. Step 4: Simplify right side
    6,990.23x = 38,857,796.42
  5. Step 5: Solve for x
    x = 38,857,796.42/6,990.23
  6. Step 6: Final answer
    x = 5,558.88

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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.