Home / 3,552.80-5,336.76-2,166.80

Finding the Fourth Proportional to 3,552.80, 5,336.76 and 2,166.80

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Solution

The fourth proportional to 3,552.80, 5,336.76 and 2,166.80 is: 3,254.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,552.80 : 5,336.76 = 2,166.80 : x
  2. Step 2: Convert to fraction form
    3,552.80/5,336.76 = 2,166.80/x
  3. Step 3: Cross multiply
    3,552.80x = 5,336.76 × 2,166.80
  4. Step 4: Simplify right side
    3,552.80x = 11,563,691.57
  5. Step 5: Solve for x
    x = 11,563,691.57/3,552.80
  6. Step 6: Final answer
    x = 3,254.81

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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.