Home / 3,328.63-4,593.49-1,912.41

Finding the Fourth Proportional to 3,328.63, 4,593.49 and 1,912.41

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Solution

The fourth proportional to 3,328.63, 4,593.49 and 1,912.41 is: 2,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,328.63 : 4,593.49 = 1,912.41 : x
  2. Step 2: Convert to fraction form
    3,328.63/4,593.49 = 1,912.41/x
  3. Step 3: Cross multiply
    3,328.63x = 4,593.49 × 1,912.41
  4. Step 4: Simplify right side
    3,328.63x = 8,784,636.21
  5. Step 5: Solve for x
    x = 8,784,636.21/3,328.63
  6. Step 6: Final answer
    x = 2,639.11

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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.