Home / 4,943.45-7,415.16-2,021.75

Finding the Fourth Proportional to 4,943.45, 7,415.16 and 2,021.75

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Solution

The fourth proportional to 4,943.45, 7,415.16 and 2,021.75 is: 3,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,943.45 : 7,415.16 = 2,021.75 : x
  2. Step 2: Convert to fraction form
    4,943.45/7,415.16 = 2,021.75/x
  3. Step 3: Cross multiply
    4,943.45x = 7,415.16 × 2,021.75
  4. Step 4: Simplify right side
    4,943.45x = 14,991,562.65
  5. Step 5: Solve for x
    x = 14,991,562.65/4,943.45
  6. Step 6: Final answer
    x = 3,032.61

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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.