Home / 4,112.34-6,168.60-1,920.48

Finding the Fourth Proportional to 4,112.34, 6,168.60 and 1,920.48

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Solution

The fourth proportional to 4,112.34, 6,168.60 and 1,920.48 is: 2,880.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,112.34 : 6,168.60 = 1,920.48 : x
  2. Step 2: Convert to fraction form
    4,112.34/6,168.60 = 1,920.48/x
  3. Step 3: Cross multiply
    4,112.34x = 6,168.60 × 1,920.48
  4. Step 4: Simplify right side
    4,112.34x = 11,846,672.93
  5. Step 5: Solve for x
    x = 11,846,672.93/4,112.34
  6. Step 6: Final answer
    x = 2,880.76

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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.