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Finding the Fourth Proportional to 5,012.37, 6,914.25 and 3,891.51

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Solution

The fourth proportional to 5,012.37, 6,914.25 and 3,891.51 is: 5,368.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,012.37 : 6,914.25 = 3,891.51 : x
  2. Step 2: Convert to fraction form
    5,012.37/6,914.25 = 3,891.51/x
  3. Step 3: Cross multiply
    5,012.37x = 6,914.25 × 3,891.51
  4. Step 4: Simplify right side
    5,012.37x = 26,906,873.02
  5. Step 5: Solve for x
    x = 26,906,873.02/5,012.37
  6. Step 6: Final answer
    x = 5,368.09

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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.