Home / 6,120.55-8,448.26-4,863.84

Finding the Fourth Proportional to 6,120.55, 8,448.26 and 4,863.84

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Solution

The fourth proportional to 6,120.55, 8,448.26 and 4,863.84 is: 6,713.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.55 : 8,448.26 = 4,863.84 : x
  2. Step 2: Convert to fraction form
    6,120.55/8,448.26 = 4,863.84/x
  3. Step 3: Cross multiply
    6,120.55x = 8,448.26 × 4,863.84
  4. Step 4: Simplify right side
    6,120.55x = 41,090,984.92
  5. Step 5: Solve for x
    x = 41,090,984.92/6,120.55
  6. Step 6: Final answer
    x = 6,713.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.