Home / 1,995.05-2,753.22-1,110.84

Finding the Fourth Proportional to 1,995.05, 2,753.22 and 1,110.84

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Solution

The fourth proportional to 1,995.05, 2,753.22 and 1,110.84 is: 1,532.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,995.05 : 2,753.22 = 1,110.84 : x
  2. Step 2: Convert to fraction form
    1,995.05/2,753.22 = 1,110.84/x
  3. Step 3: Cross multiply
    1,995.05x = 2,753.22 × 1,110.84
  4. Step 4: Simplify right side
    1,995.05x = 3,058,386.90
  5. Step 5: Solve for x
    x = 3,058,386.90/1,995.05
  6. Step 6: Final answer
    x = 1,532.99

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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.