Home / 5,399.60-8,099.34-2,113.04

Finding the Fourth Proportional to 5,399.60, 8,099.34 and 2,113.04

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Solution

The fourth proportional to 5,399.60, 8,099.34 and 2,113.04 is: 3,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.60 : 8,099.34 = 2,113.04 : x
  2. Step 2: Convert to fraction form
    5,399.60/8,099.34 = 2,113.04/x
  3. Step 3: Cross multiply
    5,399.60x = 8,099.34 × 2,113.04
  4. Step 4: Simplify right side
    5,399.60x = 17,114,229.39
  5. Step 5: Solve for x
    x = 17,114,229.39/5,399.60
  6. Step 6: Final answer
    x = 3,169.54

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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.