Home / 5,872.49-8,104.41-3,879.55

Finding the Fourth Proportional to 5,872.49, 8,104.41 and 3,879.55

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Solution

The fourth proportional to 5,872.49, 8,104.41 and 3,879.55 is: 5,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.49 : 8,104.41 = 3,879.55 : x
  2. Step 2: Convert to fraction form
    5,872.49/8,104.41 = 3,879.55/x
  3. Step 3: Cross multiply
    5,872.49x = 8,104.41 × 3,879.55
  4. Step 4: Simplify right side
    5,872.49x = 31,441,459.40
  5. Step 5: Solve for x
    x = 31,441,459.40/5,872.49
  6. Step 6: Final answer
    x = 5,354.03

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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.