Home / 1,934.31-2,666.82-1,579.86

Finding the Fourth Proportional to 1,934.31, 2,666.82 and 1,579.86

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Solution

The fourth proportional to 1,934.31, 2,666.82 and 1,579.86 is: 2,178.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,934.31 : 2,666.82 = 1,579.86 : x
  2. Step 2: Convert to fraction form
    1,934.31/2,666.82 = 1,579.86/x
  3. Step 3: Cross multiply
    1,934.31x = 2,666.82 × 1,579.86
  4. Step 4: Simplify right side
    1,934.31x = 4,213,202.25
  5. Step 5: Solve for x
    x = 4,213,202.25/1,934.31
  6. Step 6: Final answer
    x = 2,178.14

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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.