Home / 5,228.87-7,842.92-2,456.18

Finding the Fourth Proportional to 5,228.87, 7,842.92 and 2,456.18

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Solution

The fourth proportional to 5,228.87, 7,842.92 and 2,456.18 is: 3,684.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,228.87 : 7,842.92 = 2,456.18 : x
  2. Step 2: Convert to fraction form
    5,228.87/7,842.92 = 2,456.18/x
  3. Step 3: Cross multiply
    5,228.87x = 7,842.92 × 2,456.18
  4. Step 4: Simplify right side
    5,228.87x = 19,263,571.75
  5. Step 5: Solve for x
    x = 19,263,571.75/5,228.87
  6. Step 6: Final answer
    x = 3,684.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.