Home / 7,472.07-11,205.60-3,771.94

Finding the Fourth Proportional to 7,472.07, 11,205.60 and 3,771.94

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Solution

The fourth proportional to 7,472.07, 11,205.60 and 3,771.94 is: 5,656.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.07 : 11,205.60 = 3,771.94 : x
  2. Step 2: Convert to fraction form
    7,472.07/11,205.60 = 3,771.94/x
  3. Step 3: Cross multiply
    7,472.07x = 11,205.60 × 3,771.94
  4. Step 4: Simplify right side
    7,472.07x = 42,266,850.86
  5. Step 5: Solve for x
    x = 42,266,850.86/7,472.07
  6. Step 6: Final answer
    x = 5,656.65

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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.