Home / 4,001.50-5,987.22-3,790.55

Finding the Fourth Proportional to 4,001.50, 5,987.22 and 3,790.55

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Solution

The fourth proportional to 4,001.50, 5,987.22 and 3,790.55 is: 5,671.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.50 : 5,987.22 = 3,790.55 : x
  2. Step 2: Convert to fraction form
    4,001.50/5,987.22 = 3,790.55/x
  3. Step 3: Cross multiply
    4,001.50x = 5,987.22 × 3,790.55
  4. Step 4: Simplify right side
    4,001.50x = 22,694,823.85
  5. Step 5: Solve for x
    x = 22,694,823.85/4,001.50
  6. Step 6: Final answer
    x = 5,671.58

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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.