Home / 5,380.88-7,426.38-3,023.18

Finding the Fourth Proportional to 5,380.88, 7,426.38 and 3,023.18

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Solution

The fourth proportional to 5,380.88, 7,426.38 and 3,023.18 is: 4,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,380.88 : 7,426.38 = 3,023.18 : x
  2. Step 2: Convert to fraction form
    5,380.88/7,426.38 = 3,023.18/x
  3. Step 3: Cross multiply
    5,380.88x = 7,426.38 × 3,023.18
  4. Step 4: Simplify right side
    5,380.88x = 22,451,283.49
  5. Step 5: Solve for x
    x = 22,451,283.49/5,380.88
  6. Step 6: Final answer
    x = 4,172.42

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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.