Home / 3,228.03-4,454.82-2,528.19

Finding the Fourth Proportional to 3,228.03, 4,454.82 and 2,528.19

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Solution

The fourth proportional to 3,228.03, 4,454.82 and 2,528.19 is: 3,489.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.03 : 4,454.82 = 2,528.19 : x
  2. Step 2: Convert to fraction form
    3,228.03/4,454.82 = 2,528.19/x
  3. Step 3: Cross multiply
    3,228.03x = 4,454.82 × 2,528.19
  4. Step 4: Simplify right side
    3,228.03x = 11,262,629.72
  5. Step 5: Solve for x
    x = 11,262,629.72/3,228.03
  6. Step 6: Final answer
    x = 3,489.01

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Half scale
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Double scale
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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.