Home / 7,371.74-10,172.99-4,014.55

Finding the Fourth Proportional to 7,371.74, 10,172.99 and 4,014.55

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Solution

The fourth proportional to 7,371.74, 10,172.99 and 4,014.55 is: 5,540.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,371.74 : 10,172.99 = 4,014.55 : x
  2. Step 2: Convert to fraction form
    7,371.74/10,172.99 = 4,014.55/x
  3. Step 3: Cross multiply
    7,371.74x = 10,172.99 × 4,014.55
  4. Step 4: Simplify right side
    7,371.74x = 40,839,906.07
  5. Step 5: Solve for x
    x = 40,839,906.07/7,371.74
  6. Step 6: Final answer
    x = 5,540.07

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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.