Home / 4,215.72-6,323.60-1,716.95

Finding the Fourth Proportional to 4,215.72, 6,323.60 and 1,716.95

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Solution

The fourth proportional to 4,215.72, 6,323.60 and 1,716.95 is: 2,575.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.72 : 6,323.60 = 1,716.95 : x
  2. Step 2: Convert to fraction form
    4,215.72/6,323.60 = 1,716.95/x
  3. Step 3: Cross multiply
    4,215.72x = 6,323.60 × 1,716.95
  4. Step 4: Simplify right side
    4,215.72x = 10,857,305.02
  5. Step 5: Solve for x
    x = 10,857,305.02/4,215.72
  6. Step 6: Final answer
    x = 2,575.43

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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.