Home / 2,723.70-4,086.93-1,164.72

Finding the Fourth Proportional to 2,723.70, 4,086.93 and 1,164.72

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Solution

The fourth proportional to 2,723.70, 4,086.93 and 1,164.72 is: 1,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.70 : 4,086.93 = 1,164.72 : x
  2. Step 2: Convert to fraction form
    2,723.70/4,086.93 = 1,164.72/x
  3. Step 3: Cross multiply
    2,723.70x = 4,086.93 × 1,164.72
  4. Step 4: Simplify right side
    2,723.70x = 4,760,129.11
  5. Step 5: Solve for x
    x = 4,760,129.11/2,723.70
  6. Step 6: Final answer
    x = 1,747.67

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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.