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Finding the Fourth Proportional to 2,295.53, 3,455.78 and 2,091.41

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Solution

The fourth proportional to 2,295.53, 3,455.78 and 2,091.41 is: 3,148.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,295.53 : 3,455.78 = 2,091.41 : x
  2. Step 2: Convert to fraction form
    2,295.53/3,455.78 = 2,091.41/x
  3. Step 3: Cross multiply
    2,295.53x = 3,455.78 × 2,091.41
  4. Step 4: Simplify right side
    2,295.53x = 7,227,440.80
  5. Step 5: Solve for x
    x = 7,227,440.80/2,295.53
  6. Step 6: Final answer
    x = 3,148.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.