Home / 5,912.10-8,159.67-3,555.54

Finding the Fourth Proportional to 5,912.10, 8,159.67 and 3,555.54

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Solution

The fourth proportional to 5,912.10, 8,159.67 and 3,555.54 is: 4,907.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.10 : 8,159.67 = 3,555.54 : x
  2. Step 2: Convert to fraction form
    5,912.10/8,159.67 = 3,555.54/x
  3. Step 3: Cross multiply
    5,912.10x = 8,159.67 × 3,555.54
  4. Step 4: Simplify right side
    5,912.10x = 29,012,033.07
  5. Step 5: Solve for x
    x = 29,012,033.07/5,912.10
  6. Step 6: Final answer
    x = 4,907.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.