Home / 10,540.41-15,811.46-2,749.29

Finding the Fourth Proportional to 10,540.41, 15,811.46 and 2,749.29

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Solution

The fourth proportional to 10,540.41, 15,811.46 and 2,749.29 is: 4,124.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.41 : 15,811.46 = 2,749.29 : x
  2. Step 2: Convert to fraction form
    10,540.41/15,811.46 = 2,749.29/x
  3. Step 3: Cross multiply
    10,540.41x = 15,811.46 × 2,749.29
  4. Step 4: Simplify right side
    10,540.41x = 43,470,275.12
  5. Step 5: Solve for x
    x = 43,470,275.12/10,540.41
  6. Step 6: Final answer
    x = 4,124.15

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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.