Home / 3,916.71-5,876.78-1,944.15

Finding the Fourth Proportional to 3,916.71, 5,876.78 and 1,944.15

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Solution

The fourth proportional to 3,916.71, 5,876.78 and 1,944.15 is: 2,917.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,916.71 : 5,876.78 = 1,944.15 : x
  2. Step 2: Convert to fraction form
    3,916.71/5,876.78 = 1,944.15/x
  3. Step 3: Cross multiply
    3,916.71x = 5,876.78 × 1,944.15
  4. Step 4: Simplify right side
    3,916.71x = 11,425,332.12
  5. Step 5: Solve for x
    x = 11,425,332.12/3,916.71
  6. Step 6: Final answer
    x = 2,917.07

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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.