Home / 5,808.58-8,015.82-3,155.99

Finding the Fourth Proportional to 5,808.58, 8,015.82 and 3,155.99

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Solution

The fourth proportional to 5,808.58, 8,015.82 and 3,155.99 is: 4,355.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.58 : 8,015.82 = 3,155.99 : x
  2. Step 2: Convert to fraction form
    5,808.58/8,015.82 = 3,155.99/x
  3. Step 3: Cross multiply
    5,808.58x = 8,015.82 × 3,155.99
  4. Step 4: Simplify right side
    5,808.58x = 25,297,847.76
  5. Step 5: Solve for x
    x = 25,297,847.76/5,808.58
  6. Step 6: Final answer
    x = 4,355.26

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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.