Home / 3,209.25-4,428.23-1,792.88

Finding the Fourth Proportional to 3,209.25, 4,428.23 and 1,792.88

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Solution

The fourth proportional to 3,209.25, 4,428.23 and 1,792.88 is: 2,473.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.25 : 4,428.23 = 1,792.88 : x
  2. Step 2: Convert to fraction form
    3,209.25/4,428.23 = 1,792.88/x
  3. Step 3: Cross multiply
    3,209.25x = 4,428.23 × 1,792.88
  4. Step 4: Simplify right side
    3,209.25x = 7,939,285.00
  5. Step 5: Solve for x
    x = 7,939,285.00/3,209.25
  6. Step 6: Final answer
    x = 2,473.88

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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.