Home / 4,267.14-6,400.70-1,668.25

Finding the Fourth Proportional to 4,267.14, 6,400.70 and 1,668.25

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Solution

The fourth proportional to 4,267.14, 6,400.70 and 1,668.25 is: 2,502.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,267.14 : 6,400.70 = 1,668.25 : x
  2. Step 2: Convert to fraction form
    4,267.14/6,400.70 = 1,668.25/x
  3. Step 3: Cross multiply
    4,267.14x = 6,400.70 × 1,668.25
  4. Step 4: Simplify right side
    4,267.14x = 10,677,967.78
  5. Step 5: Solve for x
    x = 10,677,967.78/4,267.14
  6. Step 6: Final answer
    x = 2,502.37

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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.