Home / 3,828.24-5,281.74-2,256.03

Finding the Fourth Proportional to 3,828.24, 5,281.74 and 2,256.03

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Solution

The fourth proportional to 3,828.24, 5,281.74 and 2,256.03 is: 3,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,828.24 : 5,281.74 = 2,256.03 : x
  2. Step 2: Convert to fraction form
    3,828.24/5,281.74 = 2,256.03/x
  3. Step 3: Cross multiply
    3,828.24x = 5,281.74 × 2,256.03
  4. Step 4: Simplify right side
    3,828.24x = 11,915,763.89
  5. Step 5: Solve for x
    x = 11,915,763.89/3,828.24
  6. Step 6: Final answer
    x = 3,112.60

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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.