Home / 3,789.21-5,682.15-1,566.48

Finding the Fourth Proportional to 3,789.21, 5,682.15 and 1,566.48

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Solution

The fourth proportional to 3,789.21, 5,682.15 and 1,566.48 is: 2,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,789.21 : 5,682.15 = 1,566.48 : x
  2. Step 2: Convert to fraction form
    3,789.21/5,682.15 = 1,566.48/x
  3. Step 3: Cross multiply
    3,789.21x = 5,682.15 × 1,566.48
  4. Step 4: Simplify right side
    3,789.21x = 8,900,974.33
  5. Step 5: Solve for x
    x = 8,900,974.33/3,789.21
  6. Step 6: Final answer
    x = 2,349.03

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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.