Home / 4,092.74-6,135.81-1,318.67

Finding the Fourth Proportional to 4,092.74, 6,135.81 and 1,318.67

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Solution

The fourth proportional to 4,092.74, 6,135.81 and 1,318.67 is: 1,976.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,092.74 : 6,135.81 = 1,318.67 : x
  2. Step 2: Convert to fraction form
    4,092.74/6,135.81 = 1,318.67/x
  3. Step 3: Cross multiply
    4,092.74x = 6,135.81 × 1,318.67
  4. Step 4: Simplify right side
    4,092.74x = 8,091,108.57
  5. Step 5: Solve for x
    x = 8,091,108.57/4,092.74
  6. Step 6: Final answer
    x = 1,976.94

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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.