Home / 5,084.06-7,015.67-2,815.25

Finding the Fourth Proportional to 5,084.06, 7,015.67 and 2,815.25

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Solution

The fourth proportional to 5,084.06, 7,015.67 and 2,815.25 is: 3,884.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.06 : 7,015.67 = 2,815.25 : x
  2. Step 2: Convert to fraction form
    5,084.06/7,015.67 = 2,815.25/x
  3. Step 3: Cross multiply
    5,084.06x = 7,015.67 × 2,815.25
  4. Step 4: Simplify right side
    5,084.06x = 19,750,829.89
  5. Step 5: Solve for x
    x = 19,750,829.89/5,084.06
  6. Step 6: Final answer
    x = 3,884.86

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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.