Home / 5,226.14-7,211.99-2,987.96

Finding the Fourth Proportional to 5,226.14, 7,211.99 and 2,987.96

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Solution

The fourth proportional to 5,226.14, 7,211.99 and 2,987.96 is: 4,123.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.14 : 7,211.99 = 2,987.96 : x
  2. Step 2: Convert to fraction form
    5,226.14/7,211.99 = 2,987.96/x
  3. Step 3: Cross multiply
    5,226.14x = 7,211.99 × 2,987.96
  4. Step 4: Simplify right side
    5,226.14x = 21,549,109.05
  5. Step 5: Solve for x
    x = 21,549,109.05/5,226.14
  6. Step 6: Final answer
    x = 4,123.33

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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.