Home / 4,108.21-6,162.22-2,788.67

Finding the Fourth Proportional to 4,108.21, 6,162.22 and 2,788.67

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Solution

The fourth proportional to 4,108.21, 6,162.22 and 2,788.67 is: 4,182.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,108.21 : 6,162.22 = 2,788.67 : x
  2. Step 2: Convert to fraction form
    4,108.21/6,162.22 = 2,788.67/x
  3. Step 3: Cross multiply
    4,108.21x = 6,162.22 × 2,788.67
  4. Step 4: Simplify right side
    4,108.21x = 17,184,398.05
  5. Step 5: Solve for x
    x = 17,184,398.05/4,108.21
  6. Step 6: Final answer
    x = 4,182.94

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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.