Home / 4,606.33-6,913.65-3,121.96

Finding the Fourth Proportional to 4,606.33, 6,913.65 and 3,121.96

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Solution

The fourth proportional to 4,606.33, 6,913.65 and 3,121.96 is: 4,685.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,606.33 : 6,913.65 = 3,121.96 : x
  2. Step 2: Convert to fraction form
    4,606.33/6,913.65 = 3,121.96/x
  3. Step 3: Cross multiply
    4,606.33x = 6,913.65 × 3,121.96
  4. Step 4: Simplify right side
    4,606.33x = 21,584,138.75
  5. Step 5: Solve for x
    x = 21,584,138.75/4,606.33
  6. Step 6: Final answer
    x = 4,685.76

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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.