Home / 2,591.38-3,885.25-1,291.94

Finding the Fourth Proportional to 2,591.38, 3,885.25 and 1,291.94

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Solution

The fourth proportional to 2,591.38, 3,885.25 and 1,291.94 is: 1,937.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,591.38 : 3,885.25 = 1,291.94 : x
  2. Step 2: Convert to fraction form
    2,591.38/3,885.25 = 1,291.94/x
  3. Step 3: Cross multiply
    2,591.38x = 3,885.25 × 1,291.94
  4. Step 4: Simplify right side
    2,591.38x = 5,019,509.89
  5. Step 5: Solve for x
    x = 5,019,509.89/2,591.38
  6. Step 6: Final answer
    x = 1,937.00

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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.