Home / 4,738.63-7,109.07-2,141.53

Finding the Fourth Proportional to 4,738.63, 7,109.07 and 2,141.53

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Solution

The fourth proportional to 4,738.63, 7,109.07 and 2,141.53 is: 3,212.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,738.63 : 7,109.07 = 2,141.53 : x
  2. Step 2: Convert to fraction form
    4,738.63/7,109.07 = 2,141.53/x
  3. Step 3: Cross multiply
    4,738.63x = 7,109.07 × 2,141.53
  4. Step 4: Simplify right side
    4,738.63x = 15,224,286.68
  5. Step 5: Solve for x
    x = 15,224,286.68/4,738.63
  6. Step 6: Final answer
    x = 3,212.80

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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.