Home / 1,518.76-2,278.14-1,195.84

Finding the Fourth Proportional to 1,518.76, 2,278.14 and 1,195.84

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Solution

The fourth proportional to 1,518.76, 2,278.14 and 1,195.84 is: 1,793.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518.76 : 2,278.14 = 1,195.84 : x
  2. Step 2: Convert to fraction form
    1,518.76/2,278.14 = 1,195.84/x
  3. Step 3: Cross multiply
    1,518.76x = 2,278.14 × 1,195.84
  4. Step 4: Simplify right side
    1,518.76x = 2,724,290.94
  5. Step 5: Solve for x
    x = 2,724,290.94/1,518.76
  6. Step 6: Final answer
    x = 1,793.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.