Home / 5,808.41-8,015.77-3,155.98

Finding the Fourth Proportional to 5,808.41, 8,015.77 and 3,155.98

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Solution

The fourth proportional to 5,808.41, 8,015.77 and 3,155.98 is: 4,355.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.41 : 8,015.77 = 3,155.98 : x
  2. Step 2: Convert to fraction form
    5,808.41/8,015.77 = 3,155.98/x
  3. Step 3: Cross multiply
    5,808.41x = 8,015.77 × 3,155.98
  4. Step 4: Simplify right side
    5,808.41x = 25,297,609.80
  5. Step 5: Solve for x
    x = 25,297,609.80/5,808.41
  6. Step 6: Final answer
    x = 4,355.34

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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.