Home / 3,696.54-5,101.28-2,205.31

Finding the Fourth Proportional to 3,696.54, 5,101.28 and 2,205.31

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Solution

The fourth proportional to 3,696.54, 5,101.28 and 2,205.31 is: 3,043.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,696.54 : 5,101.28 = 2,205.31 : x
  2. Step 2: Convert to fraction form
    3,696.54/5,101.28 = 2,205.31/x
  3. Step 3: Cross multiply
    3,696.54x = 5,101.28 × 2,205.31
  4. Step 4: Simplify right side
    3,696.54x = 11,249,903.80
  5. Step 5: Solve for x
    x = 11,249,903.80/3,696.54
  6. Step 6: Final answer
    x = 3,043.36

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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.