Home / 3,367.80-5,051.70-2,589.30

Finding the Fourth Proportional to 3,367.80, 5,051.70 and 2,589.30

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Solution

The fourth proportional to 3,367.80, 5,051.70 and 2,589.30 is: 3,883.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,367.80 : 5,051.70 = 2,589.30 : x
  2. Step 2: Convert to fraction form
    3,367.80/5,051.70 = 2,589.30/x
  3. Step 3: Cross multiply
    3,367.80x = 5,051.70 × 2,589.30
  4. Step 4: Simplify right side
    3,367.80x = 13,080,366.81
  5. Step 5: Solve for x
    x = 13,080,366.81/3,367.80
  6. Step 6: Final answer
    x = 3,883.95

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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.