Home / 5,227.36-7,212.52-2,958.74

Finding the Fourth Proportional to 5,227.36, 7,212.52 and 2,958.74

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Solution

The fourth proportional to 5,227.36, 7,212.52 and 2,958.74 is: 4,082.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,227.36 : 7,212.52 = 2,958.74 : x
  2. Step 2: Convert to fraction form
    5,227.36/7,212.52 = 2,958.74/x
  3. Step 3: Cross multiply
    5,227.36x = 7,212.52 × 2,958.74
  4. Step 4: Simplify right side
    5,227.36x = 21,339,971.42
  5. Step 5: Solve for x
    x = 21,339,971.42/5,227.36
  6. Step 6: Final answer
    x = 4,082.36

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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.