Home / 3,275.35-4,911.13-1,083.49

Finding the Fourth Proportional to 3,275.35, 4,911.13 and 1,083.49

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Solution

The fourth proportional to 3,275.35, 4,911.13 and 1,083.49 is: 1,624.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,275.35 : 4,911.13 = 1,083.49 : x
  2. Step 2: Convert to fraction form
    3,275.35/4,911.13 = 1,083.49/x
  3. Step 3: Cross multiply
    3,275.35x = 4,911.13 × 1,083.49
  4. Step 4: Simplify right side
    3,275.35x = 5,321,160.24
  5. Step 5: Solve for x
    x = 5,321,160.24/3,275.35
  6. Step 6: Final answer
    x = 1,624.61

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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.