Home / 7,540.83-11,309.52-2,861.36

Finding the Fourth Proportional to 7,540.83, 11,309.52 and 2,861.36

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Solution

The fourth proportional to 7,540.83, 11,309.52 and 2,861.36 is: 4,291.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.83 : 11,309.52 = 2,861.36 : x
  2. Step 2: Convert to fraction form
    7,540.83/11,309.52 = 2,861.36/x
  3. Step 3: Cross multiply
    7,540.83x = 11,309.52 × 2,861.36
  4. Step 4: Simplify right side
    7,540.83x = 32,360,604.74
  5. Step 5: Solve for x
    x = 32,360,604.74/7,540.83
  6. Step 6: Final answer
    x = 4,291.38

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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.