Home / 5,084.46-7,016.22-2,815.65

Finding the Fourth Proportional to 5,084.46, 7,016.22 and 2,815.65

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Solution

The fourth proportional to 5,084.46, 7,016.22 and 2,815.65 is: 3,885.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,084.46 : 7,016.22 = 2,815.65 : x
  2. Step 2: Convert to fraction form
    5,084.46/7,016.22 = 2,815.65/x
  3. Step 3: Cross multiply
    5,084.46x = 7,016.22 × 2,815.65
  4. Step 4: Simplify right side
    5,084.46x = 19,755,219.84
  5. Step 5: Solve for x
    x = 19,755,219.84/5,084.46
  6. Step 6: Final answer
    x = 3,885.41

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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.