Home / 10,540.88-15,810.26-2,749.68

Finding the Fourth Proportional to 10,540.88, 15,810.26 and 2,749.68

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Solution

The fourth proportional to 10,540.88, 15,810.26 and 2,749.68 is: 4,124.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,540.88 : 15,810.26 = 2,749.68 : x
  2. Step 2: Convert to fraction form
    10,540.88/15,810.26 = 2,749.68/x
  3. Step 3: Cross multiply
    10,540.88x = 15,810.26 × 2,749.68
  4. Step 4: Simplify right side
    10,540.88x = 43,473,155.72
  5. Step 5: Solve for x
    x = 43,473,155.72/10,540.88
  6. Step 6: Final answer
    x = 4,124.24

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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.