Home / 2,181.93-3,008.64-1,623.45

Finding the Fourth Proportional to 2,181.93, 3,008.64 and 1,623.45

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Solution

The fourth proportional to 2,181.93, 3,008.64 and 1,623.45 is: 2,238.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,181.93 : 3,008.64 = 1,623.45 : x
  2. Step 2: Convert to fraction form
    2,181.93/3,008.64 = 1,623.45/x
  3. Step 3: Cross multiply
    2,181.93x = 3,008.64 × 1,623.45
  4. Step 4: Simplify right side
    2,181.93x = 4,884,376.61
  5. Step 5: Solve for x
    x = 4,884,376.61/2,181.93
  6. Step 6: Final answer
    x = 2,238.56

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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.