Home / 3,251.24-4,872.54-1,865

Finding the Fourth Proportional to 3,251.24, 4,872.54 and 1,865

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Solution

The fourth proportional to 3,251.24, 4,872.54 and 1,865 is: 2,795.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,251.24 : 4,872.54 = 1,865 : x
  2. Step 2: Convert to fraction form
    3,251.24/4,872.54 = 1,865/x
  3. Step 3: Cross multiply
    3,251.24x = 4,872.54 × 1,865
  4. Step 4: Simplify right side
    3,251.24x = 9,087,287.10
  5. Step 5: Solve for x
    x = 9,087,287.10/3,251.24
  6. Step 6: Final answer
    x = 2,795.02

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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.