Home / 5,555.70-7,667.37-3,166.11

Finding the Fourth Proportional to 5,555.70, 7,667.37 and 3,166.11

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Solution

The fourth proportional to 5,555.70, 7,667.37 and 3,166.11 is: 4,369.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.70 : 7,667.37 = 3,166.11 : x
  2. Step 2: Convert to fraction form
    5,555.70/7,667.37 = 3,166.11/x
  3. Step 3: Cross multiply
    5,555.70x = 7,667.37 × 3,166.11
  4. Step 4: Simplify right side
    5,555.70x = 24,275,736.83
  5. Step 5: Solve for x
    x = 24,275,736.83/5,555.70
  6. Step 6: Final answer
    x = 4,369.52

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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.