Home / 1,536.36-2,120.24-1,204.22

Finding the Fourth Proportional to 1,536.36, 2,120.24 and 1,204.22

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Solution

The fourth proportional to 1,536.36, 2,120.24 and 1,204.22 is: 1,661.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.36 : 2,120.24 = 1,204.22 : x
  2. Step 2: Convert to fraction form
    1,536.36/2,120.24 = 1,204.22/x
  3. Step 3: Cross multiply
    1,536.36x = 2,120.24 × 1,204.22
  4. Step 4: Simplify right side
    1,536.36x = 2,553,218.79
  5. Step 5: Solve for x
    x = 2,553,218.79/1,536.36
  6. Step 6: Final answer
    x = 1,661.86

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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.