Home / 7,115.86-10,668.30-2,673.43

Finding the Fourth Proportional to 7,115.86, 10,668.30 and 2,673.43

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Solution

The fourth proportional to 7,115.86, 10,668.30 and 2,673.43 is: 4,008.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,115.86 : 10,668.30 = 2,673.43 : x
  2. Step 2: Convert to fraction form
    7,115.86/10,668.30 = 2,673.43/x
  3. Step 3: Cross multiply
    7,115.86x = 10,668.30 × 2,673.43
  4. Step 4: Simplify right side
    7,115.86x = 28,520,926.60
  5. Step 5: Solve for x
    x = 28,520,926.60/7,115.86
  6. Step 6: Final answer
    x = 4,008.08

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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.