Home / 4,114.92-6,168.60-1,648.20

Finding the Fourth Proportional to 4,114.92, 6,168.60 and 1,648.20

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Solution

The fourth proportional to 4,114.92, 6,168.60 and 1,648.20 is: 2,470.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,114.92 : 6,168.60 = 1,648.20 : x
  2. Step 2: Convert to fraction form
    4,114.92/6,168.60 = 1,648.20/x
  3. Step 3: Cross multiply
    4,114.92x = 6,168.60 × 1,648.20
  4. Step 4: Simplify right side
    4,114.92x = 10,167,086.52
  5. Step 5: Solve for x
    x = 10,167,086.52/4,114.92
  6. Step 6: Final answer
    x = 2,470.79

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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.