Home / 7,134.21-10,704.38-3,846.53

Finding the Fourth Proportional to 7,134.21, 10,704.38 and 3,846.53

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Solution

The fourth proportional to 7,134.21, 10,704.38 and 3,846.53 is: 5,771.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,134.21 : 10,704.38 = 3,846.53 : x
  2. Step 2: Convert to fraction form
    7,134.21/10,704.38 = 3,846.53/x
  3. Step 3: Cross multiply
    7,134.21x = 10,704.38 × 3,846.53
  4. Step 4: Simplify right side
    7,134.21x = 41,174,699.57
  5. Step 5: Solve for x
    x = 41,174,699.57/7,134.21
  6. Step 6: Final answer
    x = 5,771.45

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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.