Home / 3,722.37-5,136.75-2,043.70

Finding the Fourth Proportional to 3,722.37, 5,136.75 and 2,043.70

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Solution

The fourth proportional to 3,722.37, 5,136.75 and 2,043.70 is: 2,820.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.37 : 5,136.75 = 2,043.70 : x
  2. Step 2: Convert to fraction form
    3,722.37/5,136.75 = 2,043.70/x
  3. Step 3: Cross multiply
    3,722.37x = 5,136.75 × 2,043.70
  4. Step 4: Simplify right side
    3,722.37x = 10,497,975.98
  5. Step 5: Solve for x
    x = 10,497,975.98/3,722.37
  6. Step 6: Final answer
    x = 2,820.24

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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.