Home / 2,077.85-3,117.94-1,103.93

Finding the Fourth Proportional to 2,077.85, 3,117.94 and 1,103.93

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Solution

The fourth proportional to 2,077.85, 3,117.94 and 1,103.93 is: 1,656.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,077.85 : 3,117.94 = 1,103.93 : x
  2. Step 2: Convert to fraction form
    2,077.85/3,117.94 = 1,103.93/x
  3. Step 3: Cross multiply
    2,077.85x = 3,117.94 × 1,103.93
  4. Step 4: Simplify right side
    2,077.85x = 3,441,987.06
  5. Step 5: Solve for x
    x = 3,441,987.06/2,077.85
  6. Step 6: Final answer
    x = 1,656.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.