Home / 7,382.06-11,079.38-3,683.20

Finding the Fourth Proportional to 7,382.06, 11,079.38 and 3,683.20

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Solution

The fourth proportional to 7,382.06, 11,079.38 and 3,683.20 is: 5,527.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.06 : 11,079.38 = 3,683.20 : x
  2. Step 2: Convert to fraction form
    7,382.06/11,079.38 = 3,683.20/x
  3. Step 3: Cross multiply
    7,382.06x = 11,079.38 × 3,683.20
  4. Step 4: Simplify right side
    7,382.06x = 40,807,572.42
  5. Step 5: Solve for x
    x = 40,807,572.42/7,382.06
  6. Step 6: Final answer
    x = 5,527.94

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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.