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Finding the Fourth Proportional to 2,797.07, 3,859.96 and 1,602.07

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Solution

The fourth proportional to 2,797.07, 3,859.96 and 1,602.07 is: 2,210.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,797.07 : 3,859.96 = 1,602.07 : x
  2. Step 2: Convert to fraction form
    2,797.07/3,859.96 = 1,602.07/x
  3. Step 3: Cross multiply
    2,797.07x = 3,859.96 × 1,602.07
  4. Step 4: Simplify right side
    2,797.07x = 6,183,926.12
  5. Step 5: Solve for x
    x = 6,183,926.12/2,797.07
  6. Step 6: Final answer
    x = 2,210.86

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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.