Home / 7,756.85-10,704.21-4,399.97

Finding the Fourth Proportional to 7,756.85, 10,704.21 and 4,399.97

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Solution

The fourth proportional to 7,756.85, 10,704.21 and 4,399.97 is: 6,071.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,756.85 : 10,704.21 = 4,399.97 : x
  2. Step 2: Convert to fraction form
    7,756.85/10,704.21 = 4,399.97/x
  3. Step 3: Cross multiply
    7,756.85x = 10,704.21 × 4,399.97
  4. Step 4: Simplify right side
    7,756.85x = 47,098,202.87
  5. Step 5: Solve for x
    x = 47,098,202.87/7,756.85
  6. Step 6: Final answer
    x = 6,071.82

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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.