Home / 2,356.97-3,536.78-2,171.07

Finding the Fourth Proportional to 2,356.97, 3,536.78 and 2,171.07

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Solution

The fourth proportional to 2,356.97, 3,536.78 and 2,171.07 is: 3,257.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.97 : 3,536.78 = 2,171.07 : x
  2. Step 2: Convert to fraction form
    2,356.97/3,536.78 = 2,171.07/x
  3. Step 3: Cross multiply
    2,356.97x = 3,536.78 × 2,171.07
  4. Step 4: Simplify right side
    2,356.97x = 7,678,586.10
  5. Step 5: Solve for x
    x = 7,678,586.10/2,356.97
  6. Step 6: Final answer
    x = 3,257.83

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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.