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Finding the Fourth Proportional to 5,054.87, 6,975.99 and 2,816.98

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Solution

The fourth proportional to 5,054.87, 6,975.99 and 2,816.98 is: 3,887.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,054.87 : 6,975.99 = 2,816.98 : x
  2. Step 2: Convert to fraction form
    5,054.87/6,975.99 = 2,816.98/x
  3. Step 3: Cross multiply
    5,054.87x = 6,975.99 × 2,816.98
  4. Step 4: Simplify right side
    5,054.87x = 19,651,206.87
  5. Step 5: Solve for x
    x = 19,651,206.87/5,054.87
  6. Step 6: Final answer
    x = 3,887.58

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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.