Home / 2,296.80-3,170.88-1,589.67

Finding the Fourth Proportional to 2,296.80, 3,170.88 and 1,589.67

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Solution

The fourth proportional to 2,296.80, 3,170.88 and 1,589.67 is: 2,194.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,296.80 : 3,170.88 = 1,589.67 : x
  2. Step 2: Convert to fraction form
    2,296.80/3,170.88 = 1,589.67/x
  3. Step 3: Cross multiply
    2,296.80x = 3,170.88 × 1,589.67
  4. Step 4: Simplify right side
    2,296.80x = 5,040,652.81
  5. Step 5: Solve for x
    x = 5,040,652.81/2,296.80
  6. Step 6: Final answer
    x = 2,194.64

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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.