Home / 6,724.46-9,279.98-3,699.70

Finding the Fourth Proportional to 6,724.46, 9,279.98 and 3,699.70

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Solution

The fourth proportional to 6,724.46, 9,279.98 and 3,699.70 is: 5,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.46 : 9,279.98 = 3,699.70 : x
  2. Step 2: Convert to fraction form
    6,724.46/9,279.98 = 3,699.70/x
  3. Step 3: Cross multiply
    6,724.46x = 9,279.98 × 3,699.70
  4. Step 4: Simplify right side
    6,724.46x = 34,333,142.01
  5. Step 5: Solve for x
    x = 34,333,142.01/6,724.46
  6. Step 6: Final answer
    x = 5,105.71

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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.