Home / 4,905.97-6,770.37-2,917.60

Finding the Fourth Proportional to 4,905.97, 6,770.37 and 2,917.60

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Solution

The fourth proportional to 4,905.97, 6,770.37 and 2,917.60 is: 4,026.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,905.97 : 6,770.37 = 2,917.60 : x
  2. Step 2: Convert to fraction form
    4,905.97/6,770.37 = 2,917.60/x
  3. Step 3: Cross multiply
    4,905.97x = 6,770.37 × 2,917.60
  4. Step 4: Simplify right side
    4,905.97x = 19,753,231.51
  5. Step 5: Solve for x
    x = 19,753,231.51/4,905.97
  6. Step 6: Final answer
    x = 4,026.37

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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.