Home / 4,129.06-6,188.11-3,578.67

Finding the Fourth Proportional to 4,129.06, 6,188.11 and 3,578.67

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Solution

The fourth proportional to 4,129.06, 6,188.11 and 3,578.67 is: 5,363.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.06 : 6,188.11 = 3,578.67 : x
  2. Step 2: Convert to fraction form
    4,129.06/6,188.11 = 3,578.67/x
  3. Step 3: Cross multiply
    4,129.06x = 6,188.11 × 3,578.67
  4. Step 4: Simplify right side
    4,129.06x = 22,145,203.61
  5. Step 5: Solve for x
    x = 22,145,203.61/4,129.06
  6. Step 6: Final answer
    x = 5,363.26

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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.