Home / 2,996.99-4,136.52-1,947.23

Finding the Fourth Proportional to 2,996.99, 4,136.52 and 1,947.23

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Solution

The fourth proportional to 2,996.99, 4,136.52 and 1,947.23 is: 2,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,996.99 : 4,136.52 = 1,947.23 : x
  2. Step 2: Convert to fraction form
    2,996.99/4,136.52 = 1,947.23/x
  3. Step 3: Cross multiply
    2,996.99x = 4,136.52 × 1,947.23
  4. Step 4: Simplify right side
    2,996.99x = 8,054,725.42
  5. Step 5: Solve for x
    x = 8,054,725.42/2,996.99
  6. Step 6: Final answer
    x = 2,687.61

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1.5x scale

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.