Home / 7,051.32-10,578.53-2,668.79

Finding the Fourth Proportional to 7,051.32, 10,578.53 and 2,668.79

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Solution

The fourth proportional to 7,051.32, 10,578.53 and 2,668.79 is: 4,003.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,051.32 : 10,578.53 = 2,668.79 : x
  2. Step 2: Convert to fraction form
    7,051.32/10,578.53 = 2,668.79/x
  3. Step 3: Cross multiply
    7,051.32x = 10,578.53 × 2,668.79
  4. Step 4: Simplify right side
    7,051.32x = 28,231,908.20
  5. Step 5: Solve for x
    x = 28,231,908.20/7,051.32
  6. Step 6: Final answer
    x = 4,003.78

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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.