Home / 5,086.98-7,019.46-2,848.68

Finding the Fourth Proportional to 5,086.98, 7,019.46 and 2,848.68

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Solution

The fourth proportional to 5,086.98, 7,019.46 and 2,848.68 is: 3,930.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.98 : 7,019.46 = 2,848.68 : x
  2. Step 2: Convert to fraction form
    5,086.98/7,019.46 = 2,848.68/x
  3. Step 3: Cross multiply
    5,086.98x = 7,019.46 × 2,848.68
  4. Step 4: Simplify right side
    5,086.98x = 19,996,195.31
  5. Step 5: Solve for x
    x = 19,996,195.31/5,086.98
  6. Step 6: Final answer
    x = 3,930.86

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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.