Home / 5,177.31-7,135.44-4,226.97

Finding the Fourth Proportional to 5,177.31, 7,135.44 and 4,226.97

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Solution

The fourth proportional to 5,177.31, 7,135.44 and 4,226.97 is: 5,825.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.31 : 7,135.44 = 4,226.97 : x
  2. Step 2: Convert to fraction form
    5,177.31/7,135.44 = 4,226.97/x
  3. Step 3: Cross multiply
    5,177.31x = 7,135.44 × 4,226.97
  4. Step 4: Simplify right side
    5,177.31x = 30,161,301.72
  5. Step 5: Solve for x
    x = 30,161,301.72/5,177.31
  6. Step 6: Final answer
    x = 5,825.67

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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.