Home / 6,916.30-10,374.52-1,722.18

Finding the Fourth Proportional to 6,916.30, 10,374.52 and 1,722.18

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Solution

The fourth proportional to 6,916.30, 10,374.52 and 1,722.18 is: 2,583.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,916.30 : 10,374.52 = 1,722.18 : x
  2. Step 2: Convert to fraction form
    6,916.30/10,374.52 = 1,722.18/x
  3. Step 3: Cross multiply
    6,916.30x = 10,374.52 × 1,722.18
  4. Step 4: Simplify right side
    6,916.30x = 17,866,790.85
  5. Step 5: Solve for x
    x = 17,866,790.85/6,916.30
  6. Step 6: Final answer
    x = 2,583.29

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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.