Home / 3,228.55-4,450.08-2,283.12

Finding the Fourth Proportional to 3,228.55, 4,450.08 and 2,283.12

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Solution

The fourth proportional to 3,228.55, 4,450.08 and 2,283.12 is: 3,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,228.55 : 4,450.08 = 2,283.12 : x
  2. Step 2: Convert to fraction form
    3,228.55/4,450.08 = 2,283.12/x
  3. Step 3: Cross multiply
    3,228.55x = 4,450.08 × 2,283.12
  4. Step 4: Simplify right side
    3,228.55x = 10,160,055.23
  5. Step 5: Solve for x
    x = 10,160,055.23/3,228.55
  6. Step 6: Final answer
    x = 3,146.94

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Half 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.