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Finding the Fourth Proportional to 2,796.71, 4,195.29 and 1,152.95

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Solution

The fourth proportional to 2,796.71, 4,195.29 and 1,152.95 is: 1,729.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,796.71 : 4,195.29 = 1,152.95 : x
  2. Step 2: Convert to fraction form
    2,796.71/4,195.29 = 1,152.95/x
  3. Step 3: Cross multiply
    2,796.71x = 4,195.29 × 1,152.95
  4. Step 4: Simplify right side
    2,796.71x = 4,836,938.63
  5. Step 5: Solve for x
    x = 4,836,938.63/2,796.71
  6. Step 6: Final answer
    x = 1,729.51

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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.