Home / 3,343.98-4,612.91-2,163

Finding the Fourth Proportional to 3,343.98, 4,612.91 and 2,163

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Solution

The fourth proportional to 3,343.98, 4,612.91 and 2,163 is: 2,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,343.98 : 4,612.91 = 2,163 : x
  2. Step 2: Convert to fraction form
    3,343.98/4,612.91 = 2,163/x
  3. Step 3: Cross multiply
    3,343.98x = 4,612.91 × 2,163
  4. Step 4: Simplify right side
    3,343.98x = 9,977,713.52
  5. Step 5: Solve for x
    x = 9,977,713.52/3,343.98
  6. Step 6: Final answer
    x = 2,983.78

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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.