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Finding the Fourth Proportional to 2,614.41, 3,919.09 and 970.51

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Solution

The fourth proportional to 2,614.41, 3,919.09 and 970.51 is: 1,454.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,614.41 : 3,919.09 = 970.51 : x
  2. Step 2: Convert to fraction form
    2,614.41/3,919.09 = 970.51/x
  3. Step 3: Cross multiply
    2,614.41x = 3,919.09 × 970.51
  4. Step 4: Simplify right side
    2,614.41x = 3,803,516.04
  5. Step 5: Solve for x
    x = 3,803,516.04/2,614.41
  6. Step 6: Final answer
    x = 1,454.83

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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.