Home / 2,356.62-3,533.90-1,185.89

Finding the Fourth Proportional to 2,356.62, 3,533.90 and 1,185.89

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Solution

The fourth proportional to 2,356.62, 3,533.90 and 1,185.89 is: 1,778.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,356.62 : 3,533.90 = 1,185.89 : x
  2. Step 2: Convert to fraction form
    2,356.62/3,533.90 = 1,185.89/x
  3. Step 3: Cross multiply
    2,356.62x = 3,533.90 × 1,185.89
  4. Step 4: Simplify right side
    2,356.62x = 4,190,816.67
  5. Step 5: Solve for x
    x = 4,190,816.67/2,356.62
  6. Step 6: Final answer
    x = 1,778.32

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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.