Home / 5,888.20-8,815.74-3,936.68

Finding the Fourth Proportional to 5,888.20, 8,815.74 and 3,936.68

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Solution

The fourth proportional to 5,888.20, 8,815.74 and 3,936.68 is: 5,893.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,888.20 : 8,815.74 = 3,936.68 : x
  2. Step 2: Convert to fraction form
    5,888.20/8,815.74 = 3,936.68/x
  3. Step 3: Cross multiply
    5,888.20x = 8,815.74 × 3,936.68
  4. Step 4: Simplify right side
    5,888.20x = 34,704,747.34
  5. Step 5: Solve for x
    x = 34,704,747.34/5,888.20
  6. Step 6: Final answer
    x = 5,893.95

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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.