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Finding the Fourth Proportional to 2,094.57, 2,891.57 and 1,621.39

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Solution

The fourth proportional to 2,094.57, 2,891.57 and 1,621.39 is: 2,238.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.57 : 2,891.57 = 1,621.39 : x
  2. Step 2: Convert to fraction form
    2,094.57/2,891.57 = 1,621.39/x
  3. Step 3: Cross multiply
    2,094.57x = 2,891.57 × 1,621.39
  4. Step 4: Simplify right side
    2,094.57x = 4,688,362.68
  5. Step 5: Solve for x
    x = 4,688,362.68/2,094.57
  6. Step 6: Final answer
    x = 2,238.34

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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.