Home / 3,450.27-4,748.99-2,884.49

Finding the Fourth Proportional to 3,450.27, 4,748.99 and 2,884.49

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Solution

The fourth proportional to 3,450.27, 4,748.99 and 2,884.49 is: 3,970.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,450.27 : 4,748.99 = 2,884.49 : x
  2. Step 2: Convert to fraction form
    3,450.27/4,748.99 = 2,884.49/x
  3. Step 3: Cross multiply
    3,450.27x = 4,748.99 × 2,884.49
  4. Step 4: Simplify right side
    3,450.27x = 13,698,376.00
  5. Step 5: Solve for x
    x = 13,698,376.00/3,450.27
  6. Step 6: Final answer
    x = 3,970.23

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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.