Home / 6,724.15-9,279.15-3,740.24

Finding the Fourth Proportional to 6,724.15, 9,279.15 and 3,740.24

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Solution

The fourth proportional to 6,724.15, 9,279.15 and 3,740.24 is: 5,161.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.15 : 9,279.15 = 3,740.24 : x
  2. Step 2: Convert to fraction form
    6,724.15/9,279.15 = 3,740.24/x
  3. Step 3: Cross multiply
    6,724.15x = 9,279.15 × 3,740.24
  4. Step 4: Simplify right side
    6,724.15x = 34,706,248.00
  5. Step 5: Solve for x
    x = 34,706,248.00/6,724.15
  6. Step 6: Final answer
    x = 5,161.43

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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.