Home / 3,696.65-5,101.30-2,018.11

Finding the Fourth Proportional to 3,696.65, 5,101.30 and 2,018.11

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Solution

The fourth proportional to 3,696.65, 5,101.30 and 2,018.11 is: 2,784.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.65 : 5,101.30 = 2,018.11 : x
  2. Step 2: Convert to fraction form
    3,696.65/5,101.30 = 2,018.11/x
  3. Step 3: Cross multiply
    3,696.65x = 5,101.30 × 2,018.11
  4. Step 4: Simplify right side
    3,696.65x = 10,294,974.31
  5. Step 5: Solve for x
    x = 10,294,974.31/3,696.65
  6. Step 6: Final answer
    x = 2,784.95

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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.