Home / 6,901.43-10,356.39-2,740.71

Finding the Fourth Proportional to 6,901.43, 10,356.39 and 2,740.71

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Solution

The fourth proportional to 6,901.43, 10,356.39 and 2,740.71 is: 4,112.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.43 : 10,356.39 = 2,740.71 : x
  2. Step 2: Convert to fraction form
    6,901.43/10,356.39 = 2,740.71/x
  3. Step 3: Cross multiply
    6,901.43x = 10,356.39 × 2,740.71
  4. Step 4: Simplify right side
    6,901.43x = 28,383,861.64
  5. Step 5: Solve for x
    x = 28,383,861.64/6,901.43
  6. Step 6: Final answer
    x = 4,112.75

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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.