Home / 1,113.96-1,549.55-1,092.84

Finding the Fourth Proportional to 1,113.96, 1,549.55 and 1,092.84

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Solution

The fourth proportional to 1,113.96, 1,549.55 and 1,092.84 is: 1,520.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113.96 : 1,549.55 = 1,092.84 : x
  2. Step 2: Convert to fraction form
    1,113.96/1,549.55 = 1,092.84/x
  3. Step 3: Cross multiply
    1,113.96x = 1,549.55 × 1,092.84
  4. Step 4: Simplify right side
    1,113.96x = 1,693,410.22
  5. Step 5: Solve for x
    x = 1,693,410.22/1,113.96
  6. Step 6: Final answer
    x = 1,520.17

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.