Home / 5,446.49-8,169.75-1,983.74

Finding the Fourth Proportional to 5,446.49, 8,169.75 and 1,983.74

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Solution

The fourth proportional to 5,446.49, 8,169.75 and 1,983.74 is: 2,975.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,446.49 : 8,169.75 = 1,983.74 : x
  2. Step 2: Convert to fraction form
    5,446.49/8,169.75 = 1,983.74/x
  3. Step 3: Cross multiply
    5,446.49x = 8,169.75 × 1,983.74
  4. Step 4: Simplify right side
    5,446.49x = 16,206,619.02
  5. Step 5: Solve for x
    x = 16,206,619.02/5,446.49
  6. Step 6: Final answer
    x = 2,975.61

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Double scale
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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.