Home / 7,589.21-11,383.86-2,658.95

Finding the Fourth Proportional to 7,589.21, 11,383.86 and 2,658.95

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Solution

The fourth proportional to 7,589.21, 11,383.86 and 2,658.95 is: 3,988.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,589.21 : 11,383.86 = 2,658.95 : x
  2. Step 2: Convert to fraction form
    7,589.21/11,383.86 = 2,658.95/x
  3. Step 3: Cross multiply
    7,589.21x = 11,383.86 × 2,658.95
  4. Step 4: Simplify right side
    7,589.21x = 30,269,057.63
  5. Step 5: Solve for x
    x = 30,269,057.63/7,589.21
  6. Step 6: Final answer
    x = 3,988.44

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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.