Home / 3,487.48-5,231.97-1,843.63

Finding the Fourth Proportional to 3,487.48, 5,231.97 and 1,843.63

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Solution

The fourth proportional to 3,487.48, 5,231.97 and 1,843.63 is: 2,765.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.48 : 5,231.97 = 1,843.63 : x
  2. Step 2: Convert to fraction form
    3,487.48/5,231.97 = 1,843.63/x
  3. Step 3: Cross multiply
    3,487.48x = 5,231.97 × 1,843.63
  4. Step 4: Simplify right side
    3,487.48x = 9,645,803.77
  5. Step 5: Solve for x
    x = 9,645,803.77/3,487.48
  6. Step 6: Final answer
    x = 2,765.84

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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.