Home / 5,089.35-7,622.74-3,910.67

Finding the Fourth Proportional to 5,089.35, 7,622.74 and 3,910.67

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Solution

The fourth proportional to 5,089.35, 7,622.74 and 3,910.67 is: 5,857.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.35 : 7,622.74 = 3,910.67 : x
  2. Step 2: Convert to fraction form
    5,089.35/7,622.74 = 3,910.67/x
  3. Step 3: Cross multiply
    5,089.35x = 7,622.74 × 3,910.67
  4. Step 4: Simplify right side
    5,089.35x = 29,810,058.87
  5. Step 5: Solve for x
    x = 29,810,058.87/5,089.35
  6. Step 6: Final answer
    x = 5,857.34

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1.5x scale

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.