Home / 5,736.20-7,914.74-3,749.67

Finding the Fourth Proportional to 5,736.20, 7,914.74 and 3,749.67

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Solution

The fourth proportional to 5,736.20, 7,914.74 and 3,749.67 is: 5,173.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,736.20 : 7,914.74 = 3,749.67 : x
  2. Step 2: Convert to fraction form
    5,736.20/7,914.74 = 3,749.67/x
  3. Step 3: Cross multiply
    5,736.20x = 7,914.74 × 3,749.67
  4. Step 4: Simplify right side
    5,736.20x = 29,677,644.39
  5. Step 5: Solve for x
    x = 29,677,644.39/5,736.20
  6. Step 6: Final answer
    x = 5,173.75

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1.5x scale

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.