Home / 7,723.42-11,583.61-3,770.75

Finding the Fourth Proportional to 7,723.42, 11,583.61 and 3,770.75

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Solution

The fourth proportional to 7,723.42, 11,583.61 and 3,770.75 is: 5,655.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,723.42 : 11,583.61 = 3,770.75 : x
  2. Step 2: Convert to fraction form
    7,723.42/11,583.61 = 3,770.75/x
  3. Step 3: Cross multiply
    7,723.42x = 11,583.61 × 3,770.75
  4. Step 4: Simplify right side
    7,723.42x = 43,678,916.94
  5. Step 5: Solve for x
    x = 43,678,916.94/7,723.42
  6. Step 6: Final answer
    x = 5,655.39

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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.