Home / 6,136.88-9,205.64-1,976.58

Finding the Fourth Proportional to 6,136.88, 9,205.64 and 1,976.58

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Solution

The fourth proportional to 6,136.88, 9,205.64 and 1,976.58 is: 2,964.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.88 : 9,205.64 = 1,976.58 : x
  2. Step 2: Convert to fraction form
    6,136.88/9,205.64 = 1,976.58/x
  3. Step 3: Cross multiply
    6,136.88x = 9,205.64 × 1,976.58
  4. Step 4: Simplify right side
    6,136.88x = 18,195,683.91
  5. Step 5: Solve for x
    x = 18,195,683.91/6,136.88
  6. Step 6: Final answer
    x = 2,964.97

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1.5x scale

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.