Home / 2,051.55-3,076.32-1,126.83

Finding the Fourth Proportional to 2,051.55, 3,076.32 and 1,126.83

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Solution

The fourth proportional to 2,051.55, 3,076.32 and 1,126.83 is: 1,689.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,051.55 : 3,076.32 = 1,126.83 : x
  2. Step 2: Convert to fraction form
    2,051.55/3,076.32 = 1,126.83/x
  3. Step 3: Cross multiply
    2,051.55x = 3,076.32 × 1,126.83
  4. Step 4: Simplify right side
    2,051.55x = 3,466,489.67
  5. Step 5: Solve for x
    x = 3,466,489.67/2,051.55
  6. Step 6: Final answer
    x = 1,689.69

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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.