Home / 4,872.24-7,309.12-1,584.56

Finding the Fourth Proportional to 4,872.24, 7,309.12 and 1,584.56

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Solution

The fourth proportional to 4,872.24, 7,309.12 and 1,584.56 is: 2,377.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,872.24 : 7,309.12 = 1,584.56 : x
  2. Step 2: Convert to fraction form
    4,872.24/7,309.12 = 1,584.56/x
  3. Step 3: Cross multiply
    4,872.24x = 7,309.12 × 1,584.56
  4. Step 4: Simplify right side
    4,872.24x = 11,581,739.19
  5. Step 5: Solve for x
    x = 11,581,739.19/4,872.24
  6. Step 6: Final answer
    x = 2,377.09

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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.