Home / 6,911.75-9,538.22-3,767.95

Finding the Fourth Proportional to 6,911.75, 9,538.22 and 3,767.95

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Solution

The fourth proportional to 6,911.75, 9,538.22 and 3,767.95 is: 5,199.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.75 : 9,538.22 = 3,767.95 : x
  2. Step 2: Convert to fraction form
    6,911.75/9,538.22 = 3,767.95/x
  3. Step 3: Cross multiply
    6,911.75x = 9,538.22 × 3,767.95
  4. Step 4: Simplify right side
    6,911.75x = 35,939,536.05
  5. Step 5: Solve for x
    x = 35,939,536.05/6,911.75
  6. Step 6: Final answer
    x = 5,199.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.