Home / 4,757.22-7,138.26-3,113.46

Finding the Fourth Proportional to 4,757.22, 7,138.26 and 3,113.46

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Solution

The fourth proportional to 4,757.22, 7,138.26 and 3,113.46 is: 4,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,757.22 : 7,138.26 = 3,113.46 : x
  2. Step 2: Convert to fraction form
    4,757.22/7,138.26 = 3,113.46/x
  3. Step 3: Cross multiply
    4,757.22x = 7,138.26 × 3,113.46
  4. Step 4: Simplify right side
    4,757.22x = 22,224,686.98
  5. Step 5: Solve for x
    x = 22,224,686.98/4,757.22
  6. Step 6: Final answer
    x = 4,671.78

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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.