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Finding the Fourth Proportional to 2,098.82, 2,896.36 and 1,154.63

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Solution

The fourth proportional to 2,098.82, 2,896.36 and 1,154.63 is: 1,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,098.82 : 2,896.36 = 1,154.63 : x
  2. Step 2: Convert to fraction form
    2,098.82/2,896.36 = 1,154.63/x
  3. Step 3: Cross multiply
    2,098.82x = 2,896.36 × 1,154.63
  4. Step 4: Simplify right side
    2,098.82x = 3,344,224.15
  5. Step 5: Solve for x
    x = 3,344,224.15/2,098.82
  6. Step 6: Final answer
    x = 1,593.38

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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.