Home / 5,252.72-7,873.61-1,964.39

Finding the Fourth Proportional to 5,252.72, 7,873.61 and 1,964.39

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Solution

The fourth proportional to 5,252.72, 7,873.61 and 1,964.39 is: 2,944.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,252.72 : 7,873.61 = 1,964.39 : x
  2. Step 2: Convert to fraction form
    5,252.72/7,873.61 = 1,964.39/x
  3. Step 3: Cross multiply
    5,252.72x = 7,873.61 × 1,964.39
  4. Step 4: Simplify right side
    5,252.72x = 15,466,791.56
  5. Step 5: Solve for x
    x = 15,466,791.56/5,252.72
  6. Step 6: Final answer
    x = 2,944.53

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1.5x scale

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.