Home / 3,843.63-5,761.84-2,086.06

Finding the Fourth Proportional to 3,843.63, 5,761.84 and 2,086.06

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Solution

The fourth proportional to 3,843.63, 5,761.84 and 2,086.06 is: 3,127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,843.63 : 5,761.84 = 2,086.06 : x
  2. Step 2: Convert to fraction form
    3,843.63/5,761.84 = 2,086.06/x
  3. Step 3: Cross multiply
    3,843.63x = 5,761.84 × 2,086.06
  4. Step 4: Simplify right side
    3,843.63x = 12,019,543.95
  5. Step 5: Solve for x
    x = 12,019,543.95/3,843.63
  6. Step 6: Final answer
    x = 3,127.13

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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.