Home / 3,917.63-5,876.48-1,839.11

Finding the Fourth Proportional to 3,917.63, 5,876.48 and 1,839.11

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Solution

The fourth proportional to 3,917.63, 5,876.48 and 1,839.11 is: 2,758.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,917.63 : 5,876.48 = 1,839.11 : x
  2. Step 2: Convert to fraction form
    3,917.63/5,876.48 = 1,839.11/x
  3. Step 3: Cross multiply
    3,917.63x = 5,876.48 × 1,839.11
  4. Step 4: Simplify right side
    3,917.63x = 10,807,493.13
  5. Step 5: Solve for x
    x = 10,807,493.13/3,917.63
  6. Step 6: Final answer
    x = 2,758.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.