Home / 3,025.71-4,172.99-2,132.37

Finding the Fourth Proportional to 3,025.71, 4,172.99 and 2,132.37

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Solution

The fourth proportional to 3,025.71, 4,172.99 and 2,132.37 is: 2,940.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,025.71 : 4,172.99 = 2,132.37 : x
  2. Step 2: Convert to fraction form
    3,025.71/4,172.99 = 2,132.37/x
  3. Step 3: Cross multiply
    3,025.71x = 4,172.99 × 2,132.37
  4. Step 4: Simplify right side
    3,025.71x = 8,898,348.02
  5. Step 5: Solve for x
    x = 8,898,348.02/3,025.71
  6. Step 6: Final answer
    x = 2,940.91

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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.