Home / 2,945.14-4,064.16-1,618.82

Finding the Fourth Proportional to 2,945.14, 4,064.16 and 1,618.82

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Solution

The fourth proportional to 2,945.14, 4,064.16 and 1,618.82 is: 2,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,945.14 : 4,064.16 = 1,618.82 : x
  2. Step 2: Convert to fraction form
    2,945.14/4,064.16 = 1,618.82/x
  3. Step 3: Cross multiply
    2,945.14x = 4,064.16 × 1,618.82
  4. Step 4: Simplify right side
    2,945.14x = 6,579,143.49
  5. Step 5: Solve for x
    x = 6,579,143.49/2,945.14
  6. Step 6: Final answer
    x = 2,233.90

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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.