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Finding the Fourth Proportional to 3,970.83, 5,957.28 and 1,197.63

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Solution

The fourth proportional to 3,970.83, 5,957.28 and 1,197.63 is: 1,796.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,970.83 : 5,957.28 = 1,197.63 : x
  2. Step 2: Convert to fraction form
    3,970.83/5,957.28 = 1,197.63/x
  3. Step 3: Cross multiply
    3,970.83x = 5,957.28 × 1,197.63
  4. Step 4: Simplify right side
    3,970.83x = 7,134,617.25
  5. Step 5: Solve for x
    x = 7,134,617.25/3,970.83
  6. Step 6: Final answer
    x = 1,796.76

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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.