Home / 3,722.19-5,136.81-2,043.59

Finding the Fourth Proportional to 3,722.19, 5,136.81 and 2,043.59

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Solution

The fourth proportional to 3,722.19, 5,136.81 and 2,043.59 is: 2,820.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.19 : 5,136.81 = 2,043.59 : x
  2. Step 2: Convert to fraction form
    3,722.19/5,136.81 = 2,043.59/x
  3. Step 3: Cross multiply
    3,722.19x = 5,136.81 × 2,043.59
  4. Step 4: Simplify right side
    3,722.19x = 10,497,520.71
  5. Step 5: Solve for x
    x = 10,497,520.71/3,722.19
  6. Step 6: Final answer
    x = 2,820.25

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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.