Home / 5,815.89-8,029.21-4,450.59

Finding the Fourth Proportional to 5,815.89, 8,029.21 and 4,450.59

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Solution

The fourth proportional to 5,815.89, 8,029.21 and 4,450.59 is: 6,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,815.89 : 8,029.21 = 4,450.59 : x
  2. Step 2: Convert to fraction form
    5,815.89/8,029.21 = 4,450.59/x
  3. Step 3: Cross multiply
    5,815.89x = 8,029.21 × 4,450.59
  4. Step 4: Simplify right side
    5,815.89x = 35,734,721.73
  5. Step 5: Solve for x
    x = 35,734,721.73/5,815.89
  6. Step 6: Final answer
    x = 6,144.33

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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.