Home / 5,523.77-7,622.61-3,005.81

Finding the Fourth Proportional to 5,523.77, 7,622.61 and 3,005.81

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Solution

The fourth proportional to 5,523.77, 7,622.61 and 3,005.81 is: 4,147.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,523.77 : 7,622.61 = 3,005.81 : x
  2. Step 2: Convert to fraction form
    5,523.77/7,622.61 = 3,005.81/x
  3. Step 3: Cross multiply
    5,523.77x = 7,622.61 × 3,005.81
  4. Step 4: Simplify right side
    5,523.77x = 22,912,117.36
  5. Step 5: Solve for x
    x = 22,912,117.36/5,523.77
  6. Step 6: Final answer
    x = 4,147.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.