Home / 4,180.67-6,240.60-3,991.13

Finding the Fourth Proportional to 4,180.67, 6,240.60 and 3,991.13

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Solution

The fourth proportional to 4,180.67, 6,240.60 and 3,991.13 is: 5,957.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.67 : 6,240.60 = 3,991.13 : x
  2. Step 2: Convert to fraction form
    4,180.67/6,240.60 = 3,991.13/x
  3. Step 3: Cross multiply
    4,180.67x = 6,240.60 × 3,991.13
  4. Step 4: Simplify right side
    4,180.67x = 24,907,045.88
  5. Step 5: Solve for x
    x = 24,907,045.88/4,180.67
  6. Step 6: Final answer
    x = 5,957.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.