Home / 4,738.46-7,108.74-1,618.34

Finding the Fourth Proportional to 4,738.46, 7,108.74 and 1,618.34

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Solution

The fourth proportional to 4,738.46, 7,108.74 and 1,618.34 is: 2,427.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.46 : 7,108.74 = 1,618.34 : x
  2. Step 2: Convert to fraction form
    4,738.46/7,108.74 = 1,618.34/x
  3. Step 3: Cross multiply
    4,738.46x = 7,108.74 × 1,618.34
  4. Step 4: Simplify right side
    4,738.46x = 11,504,322.75
  5. Step 5: Solve for x
    x = 11,504,322.75/4,738.46
  6. Step 6: Final answer
    x = 2,427.86

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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.