Home / 4,128.98-5,697.68-2,450.54

Finding the Fourth Proportional to 4,128.98, 5,697.68 and 2,450.54

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Solution

The fourth proportional to 4,128.98, 5,697.68 and 2,450.54 is: 3,381.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.98 : 5,697.68 = 2,450.54 : x
  2. Step 2: Convert to fraction form
    4,128.98/5,697.68 = 2,450.54/x
  3. Step 3: Cross multiply
    4,128.98x = 5,697.68 × 2,450.54
  4. Step 4: Simplify right side
    4,128.98x = 13,962,392.75
  5. Step 5: Solve for x
    x = 13,962,392.75/4,128.98
  6. Step 6: Final answer
    x = 3,381.56

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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.