Home / 1,891.26-2,604.48-1,623.54

Finding the Fourth Proportional to 1,891.26, 2,604.48 and 1,623.54

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Solution

The fourth proportional to 1,891.26, 2,604.48 and 1,623.54 is: 2,235.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.26 : 2,604.48 = 1,623.54 : x
  2. Step 2: Convert to fraction form
    1,891.26/2,604.48 = 1,623.54/x
  3. Step 3: Cross multiply
    1,891.26x = 2,604.48 × 1,623.54
  4. Step 4: Simplify right side
    1,891.26x = 4,228,477.46
  5. Step 5: Solve for x
    x = 4,228,477.46/1,891.26
  6. Step 6: Final answer
    x = 2,235.80

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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.