Home / 1,410.24-2,112.36-1,134.84

Finding the Fourth Proportional to 1,410.24, 2,112.36 and 1,134.84

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Solution

The fourth proportional to 1,410.24, 2,112.36 and 1,134.84 is: 1,699.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410.24 : 2,112.36 = 1,134.84 : x
  2. Step 2: Convert to fraction form
    1,410.24/2,112.36 = 1,134.84/x
  3. Step 3: Cross multiply
    1,410.24x = 2,112.36 × 1,134.84
  4. Step 4: Simplify right side
    1,410.24x = 2,397,190.62
  5. Step 5: Solve for x
    x = 2,397,190.62/1,410.24
  6. Step 6: Final answer
    x = 1,699.85

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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.