Home / 1,224.32-1,827.77-1,185.84

Finding the Fourth Proportional to 1,224.32, 1,827.77 and 1,185.84

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Solution

The fourth proportional to 1,224.32, 1,827.77 and 1,185.84 is: 1,770.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224.32 : 1,827.77 = 1,185.84 : x
  2. Step 2: Convert to fraction form
    1,224.32/1,827.77 = 1,185.84/x
  3. Step 3: Cross multiply
    1,224.32x = 1,827.77 × 1,185.84
  4. Step 4: Simplify right side
    1,224.32x = 2,167,436.85
  5. Step 5: Solve for x
    x = 2,167,436.85/1,224.32
  6. Step 6: Final answer
    x = 1,770.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.