Home / 1,110.60-1,539.11-1,094.94

Finding the Fourth Proportional to 1,110.60, 1,539.11 and 1,094.94

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Solution

The fourth proportional to 1,110.60, 1,539.11 and 1,094.94 is: 1,517.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110.60 : 1,539.11 = 1,094.94 : x
  2. Step 2: Convert to fraction form
    1,110.60/1,539.11 = 1,094.94/x
  3. Step 3: Cross multiply
    1,110.60x = 1,539.11 × 1,094.94
  4. Step 4: Simplify right side
    1,110.60x = 1,685,227.63
  5. Step 5: Solve for x
    x = 1,685,227.63/1,110.60
  6. Step 6: Final answer
    x = 1,517.40

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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.