Home / 6,724.94-9,280.12-3,740.54

Finding the Fourth Proportional to 6,724.94, 9,280.12 and 3,740.54

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Solution

The fourth proportional to 6,724.94, 9,280.12 and 3,740.54 is: 5,161.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,724.94 : 9,280.12 = 3,740.54 : x
  2. Step 2: Convert to fraction form
    6,724.94/9,280.12 = 3,740.54/x
  3. Step 3: Cross multiply
    6,724.94x = 9,280.12 × 3,740.54
  4. Step 4: Simplify right side
    6,724.94x = 34,712,660.06
  5. Step 5: Solve for x
    x = 34,712,660.06/6,724.94
  6. Step 6: Final answer
    x = 5,161.78

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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.