Home / 1,178.22-1,625.46-1,084.96

Finding the Fourth Proportional to 1,178.22, 1,625.46 and 1,084.96

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Solution

The fourth proportional to 1,178.22, 1,625.46 and 1,084.96 is: 1,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178.22 : 1,625.46 = 1,084.96 : x
  2. Step 2: Convert to fraction form
    1,178.22/1,625.46 = 1,084.96/x
  3. Step 3: Cross multiply
    1,178.22x = 1,625.46 × 1,084.96
  4. Step 4: Simplify right side
    1,178.22x = 1,763,559.08
  5. Step 5: Solve for x
    x = 1,763,559.08/1,178.22
  6. Step 6: Final answer
    x = 1,496.80

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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.