Home / 6,732.72-9,291.65-3,900.83

Finding the Fourth Proportional to 6,732.72, 9,291.65 and 3,900.83

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Solution

The fourth proportional to 6,732.72, 9,291.65 and 3,900.83 is: 5,383.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,732.72 : 9,291.65 = 3,900.83 : x
  2. Step 2: Convert to fraction form
    6,732.72/9,291.65 = 3,900.83/x
  3. Step 3: Cross multiply
    6,732.72x = 9,291.65 × 3,900.83
  4. Step 4: Simplify right side
    6,732.72x = 36,245,081.11
  5. Step 5: Solve for x
    x = 36,245,081.11/6,732.72
  6. Step 6: Final answer
    x = 5,383.42

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1.5x scale

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.