Home / 2,405.51-3,608.36-1,174.02

Finding the Fourth Proportional to 2,405.51, 3,608.36 and 1,174.02

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Solution

The fourth proportional to 2,405.51, 3,608.36 and 1,174.02 is: 1,761.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.51 : 3,608.36 = 1,174.02 : x
  2. Step 2: Convert to fraction form
    2,405.51/3,608.36 = 1,174.02/x
  3. Step 3: Cross multiply
    2,405.51x = 3,608.36 × 1,174.02
  4. Step 4: Simplify right side
    2,405.51x = 4,236,286.81
  5. Step 5: Solve for x
    x = 4,236,286.81/2,405.51
  6. Step 6: Final answer
    x = 1,761.08

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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.