Home / 7,771.07-10,723.95-4,234.30

Finding the Fourth Proportional to 7,771.07, 10,723.95 and 4,234.30

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Solution

The fourth proportional to 7,771.07, 10,723.95 and 4,234.30 is: 5,843.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,771.07 : 10,723.95 = 4,234.30 : x
  2. Step 2: Convert to fraction form
    7,771.07/10,723.95 = 4,234.30/x
  3. Step 3: Cross multiply
    7,771.07x = 10,723.95 × 4,234.30
  4. Step 4: Simplify right side
    7,771.07x = 45,408,394.68
  5. Step 5: Solve for x
    x = 45,408,394.68/7,771.07
  6. Step 6: Final answer
    x = 5,843.26

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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.