Home / 3,687.06-5,530.53-1,090.14

Finding the Fourth Proportional to 3,687.06, 5,530.53 and 1,090.14

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Solution

The fourth proportional to 3,687.06, 5,530.53 and 1,090.14 is: 1,635.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,687.06 : 5,530.53 = 1,090.14 : x
  2. Step 2: Convert to fraction form
    3,687.06/5,530.53 = 1,090.14/x
  3. Step 3: Cross multiply
    3,687.06x = 5,530.53 × 1,090.14
  4. Step 4: Simplify right side
    3,687.06x = 6,029,051.97
  5. Step 5: Solve for x
    x = 6,029,051.97/3,687.06
  6. Step 6: Final answer
    x = 1,635.19

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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.