Home / 5,912.24-8,159.76-3,555.68

Finding the Fourth Proportional to 5,912.24, 8,159.76 and 3,555.68

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Solution

The fourth proportional to 5,912.24, 8,159.76 and 3,555.68 is: 4,907.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,912.24 : 8,159.76 = 3,555.68 : x
  2. Step 2: Convert to fraction form
    5,912.24/8,159.76 = 3,555.68/x
  3. Step 3: Cross multiply
    5,912.24x = 8,159.76 × 3,555.68
  4. Step 4: Simplify right side
    5,912.24x = 29,013,495.44
  5. Step 5: Solve for x
    x = 29,013,495.44/5,912.24
  6. Step 6: Final answer
    x = 4,907.36

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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.