Home / 2,600.91-3,589.26-1,422.06

Finding the Fourth Proportional to 2,600.91, 3,589.26 and 1,422.06

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Solution

The fourth proportional to 2,600.91, 3,589.26 and 1,422.06 is: 1,962.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.91 : 3,589.26 = 1,422.06 : x
  2. Step 2: Convert to fraction form
    2,600.91/3,589.26 = 1,422.06/x
  3. Step 3: Cross multiply
    2,600.91x = 3,589.26 × 1,422.06
  4. Step 4: Simplify right side
    2,600.91x = 5,104,132.28
  5. Step 5: Solve for x
    x = 5,104,132.28/2,600.91
  6. Step 6: Final answer
    x = 1,962.44

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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.