Home / 5,189.24-7,146.70-4,855.73

Finding the Fourth Proportional to 5,189.24, 7,146.70 and 4,855.73

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Solution

The fourth proportional to 5,189.24, 7,146.70 and 4,855.73 is: 6,687.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.24 : 7,146.70 = 4,855.73 : x
  2. Step 2: Convert to fraction form
    5,189.24/7,146.70 = 4,855.73/x
  3. Step 3: Cross multiply
    5,189.24x = 7,146.70 × 4,855.73
  4. Step 4: Simplify right side
    5,189.24x = 34,702,397.72
  5. Step 5: Solve for x
    x = 34,702,397.72/5,189.24
  6. Step 6: Final answer
    x = 6,687.37

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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.