Home / 4,738.74-7,108.94-1,619.07

Finding the Fourth Proportional to 4,738.74, 7,108.94 and 1,619.07

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Solution

The fourth proportional to 4,738.74, 7,108.94 and 1,619.07 is: 2,428.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.74 : 7,108.94 = 1,619.07 : x
  2. Step 2: Convert to fraction form
    4,738.74/7,108.94 = 1,619.07/x
  3. Step 3: Cross multiply
    4,738.74x = 7,108.94 × 1,619.07
  4. Step 4: Simplify right side
    4,738.74x = 11,509,863.39
  5. Step 5: Solve for x
    x = 11,509,863.39/4,738.74
  6. Step 6: Final answer
    x = 2,428.89

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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.