Home / 5,086.12-7,018.91-2,848.19

Finding the Fourth Proportional to 5,086.12, 7,018.91 and 2,848.19

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Solution

The fourth proportional to 5,086.12, 7,018.91 and 2,848.19 is: 3,930.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.12 : 7,018.91 = 2,848.19 : x
  2. Step 2: Convert to fraction form
    5,086.12/7,018.91 = 2,848.19/x
  3. Step 3: Cross multiply
    5,086.12x = 7,018.91 × 2,848.19
  4. Step 4: Simplify right side
    5,086.12x = 19,991,189.27
  5. Step 5: Solve for x
    x = 19,991,189.27/5,086.12
  6. Step 6: Final answer
    x = 3,930.54

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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.