Home / 3,949.84-5,926.14-1,758.36

Finding the Fourth Proportional to 3,949.84, 5,926.14 and 1,758.36

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Solution

The fourth proportional to 3,949.84, 5,926.14 and 1,758.36 is: 2,638.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,949.84 : 5,926.14 = 1,758.36 : x
  2. Step 2: Convert to fraction form
    3,949.84/5,926.14 = 1,758.36/x
  3. Step 3: Cross multiply
    3,949.84x = 5,926.14 × 1,758.36
  4. Step 4: Simplify right side
    3,949.84x = 10,420,287.53
  5. Step 5: Solve for x
    x = 10,420,287.53/3,949.84
  6. Step 6: Final answer
    x = 2,638.15

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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.