Home / 7,387.23-11,082.32-2,390.95

Finding the Fourth Proportional to 7,387.23, 11,082.32 and 2,390.95

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Solution

The fourth proportional to 7,387.23, 11,082.32 and 2,390.95 is: 3,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.23 : 11,082.32 = 2,390.95 : x
  2. Step 2: Convert to fraction form
    7,387.23/11,082.32 = 2,390.95/x
  3. Step 3: Cross multiply
    7,387.23x = 11,082.32 × 2,390.95
  4. Step 4: Simplify right side
    7,387.23x = 26,497,283.87
  5. Step 5: Solve for x
    x = 26,497,283.87/7,387.23
  6. Step 6: Final answer
    x = 3,586.90

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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.