Home / 4,906.35-6,769.85-2,917.40

Finding the Fourth Proportional to 4,906.35, 6,769.85 and 2,917.40

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Solution

The fourth proportional to 4,906.35, 6,769.85 and 2,917.40 is: 4,025.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,906.35 : 6,769.85 = 2,917.40 : x
  2. Step 2: Convert to fraction form
    4,906.35/6,769.85 = 2,917.40/x
  3. Step 3: Cross multiply
    4,906.35x = 6,769.85 × 2,917.40
  4. Step 4: Simplify right side
    4,906.35x = 19,750,311.95
  5. Step 5: Solve for x
    x = 19,750,311.95/4,906.35
  6. Step 6: Final answer
    x = 4,025.46

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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.