Home / 3,415.74-5,126.82-1,773.45

Finding the Fourth Proportional to 3,415.74, 5,126.82 and 1,773.45

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Solution

The fourth proportional to 3,415.74, 5,126.82 and 1,773.45 is: 2,661.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,415.74 : 5,126.82 = 1,773.45 : x
  2. Step 2: Convert to fraction form
    3,415.74/5,126.82 = 1,773.45/x
  3. Step 3: Cross multiply
    3,415.74x = 5,126.82 × 1,773.45
  4. Step 4: Simplify right side
    3,415.74x = 9,092,158.93
  5. Step 5: Solve for x
    x = 9,092,158.93/3,415.74
  6. Step 6: Final answer
    x = 2,661.84

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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.