Home / 6,724.28-10,089.38-3,440.08

Finding the Fourth Proportional to 6,724.28, 10,089.38 and 3,440.08

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Solution

The fourth proportional to 6,724.28, 10,089.38 and 3,440.08 is: 5,161.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.28 : 10,089.38 = 3,440.08 : x
  2. Step 2: Convert to fraction form
    6,724.28/10,089.38 = 3,440.08/x
  3. Step 3: Cross multiply
    6,724.28x = 10,089.38 × 3,440.08
  4. Step 4: Simplify right side
    6,724.28x = 34,708,274.35
  5. Step 5: Solve for x
    x = 34,708,274.35/6,724.28
  6. Step 6: Final answer
    x = 5,161.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.