Home / 2,525.36-3,786.50-1,138.46

Finding the Fourth Proportional to 2,525.36, 3,786.50 and 1,138.46

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Solution

The fourth proportional to 2,525.36, 3,786.50 and 1,138.46 is: 1,707.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,525.36 : 3,786.50 = 1,138.46 : x
  2. Step 2: Convert to fraction form
    2,525.36/3,786.50 = 1,138.46/x
  3. Step 3: Cross multiply
    2,525.36x = 3,786.50 × 1,138.46
  4. Step 4: Simplify right side
    2,525.36x = 4,310,778.79
  5. Step 5: Solve for x
    x = 4,310,778.79/2,525.36
  6. Step 6: Final answer
    x = 1,707.00

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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.