Home / 2,180.30-3,003.72-1,516.01

Finding the Fourth Proportional to 2,180.30, 3,003.72 and 1,516.01

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Solution

The fourth proportional to 2,180.30, 3,003.72 and 1,516.01 is: 2,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,180.30 : 3,003.72 = 1,516.01 : x
  2. Step 2: Convert to fraction form
    2,180.30/3,003.72 = 1,516.01/x
  3. Step 3: Cross multiply
    2,180.30x = 3,003.72 × 1,516.01
  4. Step 4: Simplify right side
    2,180.30x = 4,553,654.54
  5. Step 5: Solve for x
    x = 4,553,654.54/2,180.30
  6. Step 6: Final answer
    x = 2,088.55

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.