Home / 2,529.22-3,491.49-1,902.28

Finding the Fourth Proportional to 2,529.22, 3,491.49 and 1,902.28

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Solution

The fourth proportional to 2,529.22, 3,491.49 and 1,902.28 is: 2,626.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,529.22 : 3,491.49 = 1,902.28 : x
  2. Step 2: Convert to fraction form
    2,529.22/3,491.49 = 1,902.28/x
  3. Step 3: Cross multiply
    2,529.22x = 3,491.49 × 1,902.28
  4. Step 4: Simplify right side
    2,529.22x = 6,641,791.60
  5. Step 5: Solve for x
    x = 6,641,791.60/2,529.22
  6. Step 6: Final answer
    x = 2,626.02

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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.