Home / 6,724.26-9,279.34-3,740.07

Finding the Fourth Proportional to 6,724.26, 9,279.34 and 3,740.07

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Solution

The fourth proportional to 6,724.26, 9,279.34 and 3,740.07 is: 5,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.26 : 9,279.34 = 3,740.07 : x
  2. Step 2: Convert to fraction form
    6,724.26/9,279.34 = 3,740.07/x
  3. Step 3: Cross multiply
    6,724.26x = 9,279.34 × 3,740.07
  4. Step 4: Simplify right side
    6,724.26x = 34,705,381.15
  5. Step 5: Solve for x
    x = 34,705,381.15/6,724.26
  6. Step 6: Final answer
    x = 5,161.22

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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.