Home / 6,731.33-9,289.15-3,936.83

Finding the Fourth Proportional to 6,731.33, 9,289.15 and 3,936.83

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Solution

The fourth proportional to 6,731.33, 9,289.15 and 3,936.83 is: 5,432.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.33 : 9,289.15 = 3,936.83 : x
  2. Step 2: Convert to fraction form
    6,731.33/9,289.15 = 3,936.83/x
  3. Step 3: Cross multiply
    6,731.33x = 9,289.15 × 3,936.83
  4. Step 4: Simplify right side
    6,731.33x = 36,569,748.11
  5. Step 5: Solve for x
    x = 36,569,748.11/6,731.33
  6. Step 6: Final answer
    x = 5,432.77

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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.