Home / 3,722.46-5,136.87-2,043.93

Finding the Fourth Proportional to 3,722.46, 5,136.87 and 2,043.93

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Solution

The fourth proportional to 3,722.46, 5,136.87 and 2,043.93 is: 2,820.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.46 : 5,136.87 = 2,043.93 : x
  2. Step 2: Convert to fraction form
    3,722.46/5,136.87 = 2,043.93/x
  3. Step 3: Cross multiply
    3,722.46x = 5,136.87 × 2,043.93
  4. Step 4: Simplify right side
    3,722.46x = 10,499,418.13
  5. Step 5: Solve for x
    x = 10,499,418.13/3,722.46
  6. Step 6: Final answer
    x = 2,820.56

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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.