Home / 5,919.24-8,168.29-3,230.39

Finding the Fourth Proportional to 5,919.24, 8,168.29 and 3,230.39

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Solution

The fourth proportional to 5,919.24, 8,168.29 and 3,230.39 is: 4,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,919.24 : 8,168.29 = 3,230.39 : x
  2. Step 2: Convert to fraction form
    5,919.24/8,168.29 = 3,230.39/x
  3. Step 3: Cross multiply
    5,919.24x = 8,168.29 × 3,230.39
  4. Step 4: Simplify right side
    5,919.24x = 26,386,705.34
  5. Step 5: Solve for x
    x = 26,386,705.34/5,919.24
  6. Step 6: Final answer
    x = 4,457.79

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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.