Home / 2,174.80-3,261.40-1,133.96

Finding the Fourth Proportional to 2,174.80, 3,261.40 and 1,133.96

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Solution

The fourth proportional to 2,174.80, 3,261.40 and 1,133.96 is: 1,700.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,174.80 : 3,261.40 = 1,133.96 : x
  2. Step 2: Convert to fraction form
    2,174.80/3,261.40 = 1,133.96/x
  3. Step 3: Cross multiply
    2,174.80x = 3,261.40 × 1,133.96
  4. Step 4: Simplify right side
    2,174.80x = 3,698,297.14
  5. Step 5: Solve for x
    x = 3,698,297.14/2,174.80
  6. Step 6: Final answer
    x = 1,700.52

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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.