Home / 5,920.11-8,168.13-4,028.31

Finding the Fourth Proportional to 5,920.11, 8,168.13 and 4,028.31

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Solution

The fourth proportional to 5,920.11, 8,168.13 and 4,028.31 is: 5,557.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.11 : 8,168.13 = 4,028.31 : x
  2. Step 2: Convert to fraction form
    5,920.11/8,168.13 = 4,028.31/x
  3. Step 3: Cross multiply
    5,920.11x = 8,168.13 × 4,028.31
  4. Step 4: Simplify right side
    5,920.11x = 32,903,759.76
  5. Step 5: Solve for x
    x = 32,903,759.76/5,920.11
  6. Step 6: Final answer
    x = 5,557.96

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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.