Home / 4,211.21-6,313.36-1,747.80

Finding the Fourth Proportional to 4,211.21, 6,313.36 and 1,747.80

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Solution

The fourth proportional to 4,211.21, 6,313.36 and 1,747.80 is: 2,620.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,211.21 : 6,313.36 = 1,747.80 : x
  2. Step 2: Convert to fraction form
    4,211.21/6,313.36 = 1,747.80/x
  3. Step 3: Cross multiply
    4,211.21x = 6,313.36 × 1,747.80
  4. Step 4: Simplify right side
    4,211.21x = 11,034,490.61
  5. Step 5: Solve for x
    x = 11,034,490.61/4,211.21
  6. Step 6: Final answer
    x = 2,620.27

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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.