Home / 3,969.14-5,959.98-2,585.79

Finding the Fourth Proportional to 3,969.14, 5,959.98 and 2,585.79

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Solution

The fourth proportional to 3,969.14, 5,959.98 and 2,585.79 is: 3,882.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,969.14 : 5,959.98 = 2,585.79 : x
  2. Step 2: Convert to fraction form
    3,969.14/5,959.98 = 2,585.79/x
  3. Step 3: Cross multiply
    3,969.14x = 5,959.98 × 2,585.79
  4. Step 4: Simplify right side
    3,969.14x = 15,411,256.68
  5. Step 5: Solve for x
    x = 15,411,256.68/3,969.14
  6. Step 6: Final answer
    x = 3,882.77

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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.