Home / 4,155.75-6,236.34-1,964.70

Finding the Fourth Proportional to 4,155.75, 6,236.34 and 1,964.70

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Solution

The fourth proportional to 4,155.75, 6,236.34 and 1,964.70 is: 2,948.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.75 : 6,236.34 = 1,964.70 : x
  2. Step 2: Convert to fraction form
    4,155.75/6,236.34 = 1,964.70/x
  3. Step 3: Cross multiply
    4,155.75x = 6,236.34 × 1,964.70
  4. Step 4: Simplify right side
    4,155.75x = 12,252,537.20
  5. Step 5: Solve for x
    x = 12,252,537.20/4,155.75
  6. Step 6: Final answer
    x = 2,948.33

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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.