Home / 5,642.03-8,467.90-2,722.79

Finding the Fourth Proportional to 5,642.03, 8,467.90 and 2,722.79

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Solution

The fourth proportional to 5,642.03, 8,467.90 and 2,722.79 is: 4,086.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,642.03 : 8,467.90 = 2,722.79 : x
  2. Step 2: Convert to fraction form
    5,642.03/8,467.90 = 2,722.79/x
  3. Step 3: Cross multiply
    5,642.03x = 8,467.90 × 2,722.79
  4. Step 4: Simplify right side
    5,642.03x = 23,056,313.44
  5. Step 5: Solve for x
    x = 23,056,313.44/5,642.03
  6. Step 6: Final answer
    x = 4,086.53

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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.