Home / 5,628.06-8,431.15-2,708.41

Finding the Fourth Proportional to 5,628.06, 8,431.15 and 2,708.41

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Solution

The fourth proportional to 5,628.06, 8,431.15 and 2,708.41 is: 4,057.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,628.06 : 8,431.15 = 2,708.41 : x
  2. Step 2: Convert to fraction form
    5,628.06/8,431.15 = 2,708.41/x
  3. Step 3: Cross multiply
    5,628.06x = 8,431.15 × 2,708.41
  4. Step 4: Simplify right side
    5,628.06x = 22,835,010.97
  5. Step 5: Solve for x
    x = 22,835,010.97/5,628.06
  6. Step 6: Final answer
    x = 4,057.35

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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.