Home / 4,136.81-6,196.88-1,912.51

Finding the Fourth Proportional to 4,136.81, 6,196.88 and 1,912.51

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Solution

The fourth proportional to 4,136.81, 6,196.88 and 1,912.51 is: 2,864.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,136.81 : 6,196.88 = 1,912.51 : x
  2. Step 2: Convert to fraction form
    4,136.81/6,196.88 = 1,912.51/x
  3. Step 3: Cross multiply
    4,136.81x = 6,196.88 × 1,912.51
  4. Step 4: Simplify right side
    4,136.81x = 11,851,584.26
  5. Step 5: Solve for x
    x = 11,851,584.26/4,136.81
  6. Step 6: Final answer
    x = 2,864.91

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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.