Home / 6,731.59-9,290.46-3,861.43

Finding the Fourth Proportional to 6,731.59, 9,290.46 and 3,861.43

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Solution

The fourth proportional to 6,731.59, 9,290.46 and 3,861.43 is: 5,329.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.59 : 9,290.46 = 3,861.43 : x
  2. Step 2: Convert to fraction form
    6,731.59/9,290.46 = 3,861.43/x
  3. Step 3: Cross multiply
    6,731.59x = 9,290.46 × 3,861.43
  4. Step 4: Simplify right side
    6,731.59x = 35,874,460.96
  5. Step 5: Solve for x
    x = 35,874,460.96/6,731.59
  6. Step 6: Final answer
    x = 5,329.27

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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.