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Finding the Fourth Proportional to 3,875.74, 5,815.08 and 1,796.74

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Solution

The fourth proportional to 3,875.74, 5,815.08 and 1,796.74 is: 2,695.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,875.74 : 5,815.08 = 1,796.74 : x
  2. Step 2: Convert to fraction form
    3,875.74/5,815.08 = 1,796.74/x
  3. Step 3: Cross multiply
    3,875.74x = 5,815.08 × 1,796.74
  4. Step 4: Simplify right side
    3,875.74x = 10,448,186.84
  5. Step 5: Solve for x
    x = 10,448,186.84/3,875.74
  6. Step 6: Final answer
    x = 2,695.79

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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.