Home / 3,914.19-5,403.92-2,589.03

Finding the Fourth Proportional to 3,914.19, 5,403.92 and 2,589.03

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Solution

The fourth proportional to 3,914.19, 5,403.92 and 2,589.03 is: 3,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,914.19 : 5,403.92 = 2,589.03 : x
  2. Step 2: Convert to fraction form
    3,914.19/5,403.92 = 2,589.03/x
  3. Step 3: Cross multiply
    3,914.19x = 5,403.92 × 2,589.03
  4. Step 4: Simplify right side
    3,914.19x = 13,990,898.05
  5. Step 5: Solve for x
    x = 13,990,898.05/3,914.19
  6. Step 6: Final answer
    x = 3,574.40

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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.