Home / 7,325.53-10,990.17-2,131.41

Finding the Fourth Proportional to 7,325.53, 10,990.17 and 2,131.41

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Solution

The fourth proportional to 7,325.53, 10,990.17 and 2,131.41 is: 3,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.53 : 10,990.17 = 2,131.41 : x
  2. Step 2: Convert to fraction form
    7,325.53/10,990.17 = 2,131.41/x
  3. Step 3: Cross multiply
    7,325.53x = 10,990.17 × 2,131.41
  4. Step 4: Simplify right side
    7,325.53x = 23,424,558.24
  5. Step 5: Solve for x
    x = 23,424,558.24/7,325.53
  6. Step 6: Final answer
    x = 3,197.66

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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.