Home / 4,916.72-7,378.12-1,995.06

Finding the Fourth Proportional to 4,916.72, 7,378.12 and 1,995.06

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Solution

The fourth proportional to 4,916.72, 7,378.12 and 1,995.06 is: 2,993.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,916.72 : 7,378.12 = 1,995.06 : x
  2. Step 2: Convert to fraction form
    4,916.72/7,378.12 = 1,995.06/x
  3. Step 3: Cross multiply
    4,916.72x = 7,378.12 × 1,995.06
  4. Step 4: Simplify right side
    4,916.72x = 14,719,792.09
  5. Step 5: Solve for x
    x = 14,719,792.09/4,916.72
  6. Step 6: Final answer
    x = 2,993.82

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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.