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Finding the Fourth Proportional to 1,891.41, 2,606.46 and 1,757.63

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Solution

The fourth proportional to 1,891.41, 2,606.46 and 1,757.63 is: 2,422.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891.41 : 2,606.46 = 1,757.63 : x
  2. Step 2: Convert to fraction form
    1,891.41/2,606.46 = 1,757.63/x
  3. Step 3: Cross multiply
    1,891.41x = 2,606.46 × 1,757.63
  4. Step 4: Simplify right side
    1,891.41x = 4,581,192.90
  5. Step 5: Solve for x
    x = 4,581,192.90/1,891.41
  6. Step 6: Final answer
    x = 2,422.10

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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.