Home / 2,175.45-3,263.69-943.22

Finding the Fourth Proportional to 2,175.45, 3,263.69 and 943.22

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Solution

The fourth proportional to 2,175.45, 3,263.69 and 943.22 is: 1,415.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.45 : 3,263.69 = 943.22 : x
  2. Step 2: Convert to fraction form
    2,175.45/3,263.69 = 943.22/x
  3. Step 3: Cross multiply
    2,175.45x = 3,263.69 × 943.22
  4. Step 4: Simplify right side
    2,175.45x = 3,078,377.68
  5. Step 5: Solve for x
    x = 3,078,377.68/2,175.45
  6. Step 6: Final answer
    x = 1,415.05

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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.