Home / 2,539.09-3,805.29-1,366.21

Finding the Fourth Proportional to 2,539.09, 3,805.29 and 1,366.21

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Solution

The fourth proportional to 2,539.09, 3,805.29 and 1,366.21 is: 2,047.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,539.09 : 3,805.29 = 1,366.21 : x
  2. Step 2: Convert to fraction form
    2,539.09/3,805.29 = 1,366.21/x
  3. Step 3: Cross multiply
    2,539.09x = 3,805.29 × 1,366.21
  4. Step 4: Simplify right side
    2,539.09x = 5,198,825.25
  5. Step 5: Solve for x
    x = 5,198,825.25/2,539.09
  6. Step 6: Final answer
    x = 2,047.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.