Home / 4,166.78-6,247.06-1,391.81

Finding the Fourth Proportional to 4,166.78, 6,247.06 and 1,391.81

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Solution

The fourth proportional to 4,166.78, 6,247.06 and 1,391.81 is: 2,086.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,166.78 : 6,247.06 = 1,391.81 : x
  2. Step 2: Convert to fraction form
    4,166.78/6,247.06 = 1,391.81/x
  3. Step 3: Cross multiply
    4,166.78x = 6,247.06 × 1,391.81
  4. Step 4: Simplify right side
    4,166.78x = 8,694,685.86
  5. Step 5: Solve for x
    x = 8,694,685.86/4,166.78
  6. Step 6: Final answer
    x = 2,086.67

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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.