Home / 6,724.01-9,279.16-3,739.87

Finding the Fourth Proportional to 6,724.01, 9,279.16 and 3,739.87

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Solution

The fourth proportional to 6,724.01, 9,279.16 and 3,739.87 is: 5,161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.01 : 9,279.16 = 3,739.87 : x
  2. Step 2: Convert to fraction form
    6,724.01/9,279.16 = 3,739.87/x
  3. Step 3: Cross multiply
    6,724.01x = 9,279.16 × 3,739.87
  4. Step 4: Simplify right side
    6,724.01x = 34,702,854.36
  5. Step 5: Solve for x
    x = 34,702,854.36/6,724.01
  6. Step 6: Final answer
    x = 5,161.03

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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.