Home / 4,961.05-6,846.37-2,971.79

Finding the Fourth Proportional to 4,961.05, 6,846.37 and 2,971.79

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Solution

The fourth proportional to 4,961.05, 6,846.37 and 2,971.79 is: 4,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,961.05 : 6,846.37 = 2,971.79 : x
  2. Step 2: Convert to fraction form
    4,961.05/6,846.37 = 2,971.79/x
  3. Step 3: Cross multiply
    4,961.05x = 6,846.37 × 2,971.79
  4. Step 4: Simplify right side
    4,961.05x = 20,345,974.63
  5. Step 5: Solve for x
    x = 20,345,974.63/4,961.05
  6. Step 6: Final answer
    x = 4,101.14

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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.