Home / 2,159.15-3,236.75-1,048.33

Finding the Fourth Proportional to 2,159.15, 3,236.75 and 1,048.33

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Solution

The fourth proportional to 2,159.15, 3,236.75 and 1,048.33 is: 1,571.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,159.15 : 3,236.75 = 1,048.33 : x
  2. Step 2: Convert to fraction form
    2,159.15/3,236.75 = 1,048.33/x
  3. Step 3: Cross multiply
    2,159.15x = 3,236.75 × 1,048.33
  4. Step 4: Simplify right side
    2,159.15x = 3,393,184.98
  5. Step 5: Solve for x
    x = 3,393,184.98/2,159.15
  6. Step 6: Final answer
    x = 1,571.54

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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.