Home / 1,724.43-2,379.49-1,166.11

Finding the Fourth Proportional to 1,724.43, 2,379.49 and 1,166.11

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Solution

The fourth proportional to 1,724.43, 2,379.49 and 1,166.11 is: 1,609.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724.43 : 2,379.49 = 1,166.11 : x
  2. Step 2: Convert to fraction form
    1,724.43/2,379.49 = 1,166.11/x
  3. Step 3: Cross multiply
    1,724.43x = 2,379.49 × 1,166.11
  4. Step 4: Simplify right side
    1,724.43x = 2,774,747.08
  5. Step 5: Solve for x
    x = 2,774,747.08/1,724.43
  6. Step 6: Final answer
    x = 1,609.08

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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.