Home / 2,550.36-3,518.40-1,606.56

Finding the Fourth Proportional to 2,550.36, 3,518.40 and 1,606.56

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Solution

The fourth proportional to 2,550.36, 3,518.40 and 1,606.56 is: 2,216.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,550.36 : 3,518.40 = 1,606.56 : x
  2. Step 2: Convert to fraction form
    2,550.36/3,518.40 = 1,606.56/x
  3. Step 3: Cross multiply
    2,550.36x = 3,518.40 × 1,606.56
  4. Step 4: Simplify right side
    2,550.36x = 5,652,520.70
  5. Step 5: Solve for x
    x = 5,652,520.70/2,550.36
  6. Step 6: Final answer
    x = 2,216.36

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1.5x scale

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.