Home / 3,530.49-4,872.66-1,959.09

Finding the Fourth Proportional to 3,530.49, 4,872.66 and 1,959.09

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Solution

The fourth proportional to 3,530.49, 4,872.66 and 1,959.09 is: 2,703.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.49 : 4,872.66 = 1,959.09 : x
  2. Step 2: Convert to fraction form
    3,530.49/4,872.66 = 1,959.09/x
  3. Step 3: Cross multiply
    3,530.49x = 4,872.66 × 1,959.09
  4. Step 4: Simplify right side
    3,530.49x = 9,545,945.32
  5. Step 5: Solve for x
    x = 9,545,945.32/3,530.49
  6. Step 6: Final answer
    x = 2,703.86

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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.