Home / 3,360.63-5,042.97-2,126.34

Finding the Fourth Proportional to 3,360.63, 5,042.97 and 2,126.34

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Solution

The fourth proportional to 3,360.63, 5,042.97 and 2,126.34 is: 3,190.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.63 : 5,042.97 = 2,126.34 : x
  2. Step 2: Convert to fraction form
    3,360.63/5,042.97 = 2,126.34/x
  3. Step 3: Cross multiply
    3,360.63x = 5,042.97 × 2,126.34
  4. Step 4: Simplify right side
    3,360.63x = 10,723,068.83
  5. Step 5: Solve for x
    x = 10,723,068.83/3,360.63
  6. Step 6: Final answer
    x = 3,190.79

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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.