Home / 3,781.59-5,672.36-1,441.06

Finding the Fourth Proportional to 3,781.59, 5,672.36 and 1,441.06

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Solution

The fourth proportional to 3,781.59, 5,672.36 and 1,441.06 is: 2,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,781.59 : 5,672.36 = 1,441.06 : x
  2. Step 2: Convert to fraction form
    3,781.59/5,672.36 = 1,441.06/x
  3. Step 3: Cross multiply
    3,781.59x = 5,672.36 × 1,441.06
  4. Step 4: Simplify right side
    3,781.59x = 8,174,200.52
  5. Step 5: Solve for x
    x = 8,174,200.52/3,781.59
  6. Step 6: Final answer
    x = 2,161.58

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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.