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Finding the Fourth Proportional to 3,757.54, 5,634.88 and 1,258.22

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Solution

The fourth proportional to 3,757.54, 5,634.88 and 1,258.22 is: 1,886.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,757.54 : 5,634.88 = 1,258.22 : x
  2. Step 2: Convert to fraction form
    3,757.54/5,634.88 = 1,258.22/x
  3. Step 3: Cross multiply
    3,757.54x = 5,634.88 × 1,258.22
  4. Step 4: Simplify right side
    3,757.54x = 7,089,918.71
  5. Step 5: Solve for x
    x = 7,089,918.71/3,757.54
  6. Step 6: Final answer
    x = 1,886.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.