Home / 5,890.46-8,128.82-3,238.03

Finding the Fourth Proportional to 5,890.46, 8,128.82 and 3,238.03

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Solution

The fourth proportional to 5,890.46, 8,128.82 and 3,238.03 is: 4,468.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.46 : 8,128.82 = 3,238.03 : x
  2. Step 2: Convert to fraction form
    5,890.46/8,128.82 = 3,238.03/x
  3. Step 3: Cross multiply
    5,890.46x = 8,128.82 × 3,238.03
  4. Step 4: Simplify right side
    5,890.46x = 26,321,363.02
  5. Step 5: Solve for x
    x = 26,321,363.02/5,890.46
  6. Step 6: Final answer
    x = 4,468.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.