Home / 5,057.60-6,974.94-3,169.39

Finding the Fourth Proportional to 5,057.60, 6,974.94 and 3,169.39

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Solution

The fourth proportional to 5,057.60, 6,974.94 and 3,169.39 is: 4,370.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,057.60 : 6,974.94 = 3,169.39 : x
  2. Step 2: Convert to fraction form
    5,057.60/6,974.94 = 3,169.39/x
  3. Step 3: Cross multiply
    5,057.60x = 6,974.94 × 3,169.39
  4. Step 4: Simplify right side
    5,057.60x = 22,106,287.65
  5. Step 5: Solve for x
    x = 22,106,287.65/5,057.60
  6. Step 6: Final answer
    x = 4,370.91

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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.