Home / 5,139.92-7,707.26-3,059.48

Finding the Fourth Proportional to 5,139.92, 7,707.26 and 3,059.48

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Solution

The fourth proportional to 5,139.92, 7,707.26 and 3,059.48 is: 4,587.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.92 : 7,707.26 = 3,059.48 : x
  2. Step 2: Convert to fraction form
    5,139.92/7,707.26 = 3,059.48/x
  3. Step 3: Cross multiply
    5,139.92x = 7,707.26 × 3,059.48
  4. Step 4: Simplify right side
    5,139.92x = 23,580,207.82
  5. Step 5: Solve for x
    x = 23,580,207.82/5,139.92
  6. Step 6: Final answer
    x = 4,587.66

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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.