Home / 4,270.24-6,400.50-2,191.24

Finding the Fourth Proportional to 4,270.24, 6,400.50 and 2,191.24

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Solution

The fourth proportional to 4,270.24, 6,400.50 and 2,191.24 is: 3,284.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.24 : 6,400.50 = 2,191.24 : x
  2. Step 2: Convert to fraction form
    4,270.24/6,400.50 = 2,191.24/x
  3. Step 3: Cross multiply
    4,270.24x = 6,400.50 × 2,191.24
  4. Step 4: Simplify right side
    4,270.24x = 14,025,031.62
  5. Step 5: Solve for x
    x = 14,025,031.62/4,270.24
  6. Step 6: Final answer
    x = 3,284.37

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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.