Home / 3,475.44-4,794.76-2,129.82

Finding the Fourth Proportional to 3,475.44, 4,794.76 and 2,129.82

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Solution

The fourth proportional to 3,475.44, 4,794.76 and 2,129.82 is: 2,938.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,475.44 : 4,794.76 = 2,129.82 : x
  2. Step 2: Convert to fraction form
    3,475.44/4,794.76 = 2,129.82/x
  3. Step 3: Cross multiply
    3,475.44x = 4,794.76 × 2,129.82
  4. Step 4: Simplify right side
    3,475.44x = 10,211,975.74
  5. Step 5: Solve for x
    x = 10,211,975.74/3,475.44
  6. Step 6: Final answer
    x = 2,938.33

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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.