Home / 1,673.26-2,309.31-1,194.35

Finding the Fourth Proportional to 1,673.26, 2,309.31 and 1,194.35

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Solution

The fourth proportional to 1,673.26, 2,309.31 and 1,194.35 is: 1,648.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673.26 : 2,309.31 = 1,194.35 : x
  2. Step 2: Convert to fraction form
    1,673.26/2,309.31 = 1,194.35/x
  3. Step 3: Cross multiply
    1,673.26x = 2,309.31 × 1,194.35
  4. Step 4: Simplify right side
    1,673.26x = 2,758,112.85
  5. Step 5: Solve for x
    x = 2,758,112.85/1,673.26
  6. Step 6: Final answer
    x = 1,648.35

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1.5x scale

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.