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Finding the Fourth Proportional to 5,074.71, 7,003.08 and 2,836.59

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Solution

The fourth proportional to 5,074.71, 7,003.08 and 2,836.59 is: 3,914.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.71 : 7,003.08 = 2,836.59 : x
  2. Step 2: Convert to fraction form
    5,074.71/7,003.08 = 2,836.59/x
  3. Step 3: Cross multiply
    5,074.71x = 7,003.08 × 2,836.59
  4. Step 4: Simplify right side
    5,074.71x = 19,864,866.70
  5. Step 5: Solve for x
    x = 19,864,866.70/5,074.71
  6. Step 6: Final answer
    x = 3,914.48

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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.