Home / 5,188.44-7,162.70-3,518.67

Finding the Fourth Proportional to 5,188.44, 7,162.70 and 3,518.67

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Solution

The fourth proportional to 5,188.44, 7,162.70 and 3,518.67 is: 4,857.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.44 : 7,162.70 = 3,518.67 : x
  2. Step 2: Convert to fraction form
    5,188.44/7,162.70 = 3,518.67/x
  3. Step 3: Cross multiply
    5,188.44x = 7,162.70 × 3,518.67
  4. Step 4: Simplify right side
    5,188.44x = 25,203,160.02
  5. Step 5: Solve for x
    x = 25,203,160.02/5,188.44
  6. Step 6: Final answer
    x = 4,857.56

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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.