Home / 5,672.24-8,507.36-2,749.76

Finding the Fourth Proportional to 5,672.24, 8,507.36 and 2,749.76

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Solution

The fourth proportional to 5,672.24, 8,507.36 and 2,749.76 is: 4,124.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,672.24 : 8,507.36 = 2,749.76 : x
  2. Step 2: Convert to fraction form
    5,672.24/8,507.36 = 2,749.76/x
  3. Step 3: Cross multiply
    5,672.24x = 8,507.36 × 2,749.76
  4. Step 4: Simplify right side
    5,672.24x = 23,393,198.23
  5. Step 5: Solve for x
    x = 23,393,198.23/5,672.24
  6. Step 6: Final answer
    x = 4,124.16

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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.