Home / 6,042.16-8,336.40-3,917.74

Finding the Fourth Proportional to 6,042.16, 8,336.40 and 3,917.74

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Solution

The fourth proportional to 6,042.16, 8,336.40 and 3,917.74 is: 5,405.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,042.16 : 8,336.40 = 3,917.74 : x
  2. Step 2: Convert to fraction form
    6,042.16/8,336.40 = 3,917.74/x
  3. Step 3: Cross multiply
    6,042.16x = 8,336.40 × 3,917.74
  4. Step 4: Simplify right side
    6,042.16x = 32,659,847.74
  5. Step 5: Solve for x
    x = 32,659,847.74/6,042.16
  6. Step 6: Final answer
    x = 5,405.33

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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.