Home / 1,550.80-2,322.52-1,116.56

Finding the Fourth Proportional to 1,550.80, 2,322.52 and 1,116.56

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Solution

The fourth proportional to 1,550.80, 2,322.52 and 1,116.56 is: 1,672.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550.80 : 2,322.52 = 1,116.56 : x
  2. Step 2: Convert to fraction form
    1,550.80/2,322.52 = 1,116.56/x
  3. Step 3: Cross multiply
    1,550.80x = 2,322.52 × 1,116.56
  4. Step 4: Simplify right side
    1,550.80x = 2,593,232.93
  5. Step 5: Solve for x
    x = 2,593,232.93/1,550.80
  6. Step 6: Final answer
    x = 1,672.19

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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.