Home / 7,361.21-10,158.53-4,004.09

Finding the Fourth Proportional to 7,361.21, 10,158.53 and 4,004.09

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Solution

The fourth proportional to 7,361.21, 10,158.53 and 4,004.09 is: 5,525.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,361.21 : 10,158.53 = 4,004.09 : x
  2. Step 2: Convert to fraction form
    7,361.21/10,158.53 = 4,004.09/x
  3. Step 3: Cross multiply
    7,361.21x = 10,158.53 × 4,004.09
  4. Step 4: Simplify right side
    7,361.21x = 40,675,668.39
  5. Step 5: Solve for x
    x = 40,675,668.39/7,361.21
  6. Step 6: Final answer
    x = 5,525.68

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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.