Home / 1,958.49-2,702.86-1,119.17

Finding the Fourth Proportional to 1,958.49, 2,702.86 and 1,119.17

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Solution

The fourth proportional to 1,958.49, 2,702.86 and 1,119.17 is: 1,544.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,958.49 : 2,702.86 = 1,119.17 : x
  2. Step 2: Convert to fraction form
    1,958.49/2,702.86 = 1,119.17/x
  3. Step 3: Cross multiply
    1,958.49x = 2,702.86 × 1,119.17
  4. Step 4: Simplify right side
    1,958.49x = 3,024,960.99
  5. Step 5: Solve for x
    x = 3,024,960.99/1,958.49
  6. Step 6: Final answer
    x = 1,544.54

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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.