Home / 4,675.78-7,015.49-2,076.89

Finding the Fourth Proportional to 4,675.78, 7,015.49 and 2,076.89

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Solution

The fourth proportional to 4,675.78, 7,015.49 and 2,076.89 is: 3,116.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,675.78 : 7,015.49 = 2,076.89 : x
  2. Step 2: Convert to fraction form
    4,675.78/7,015.49 = 2,076.89/x
  3. Step 3: Cross multiply
    4,675.78x = 7,015.49 × 2,076.89
  4. Step 4: Simplify right side
    4,675.78x = 14,570,396.97
  5. Step 5: Solve for x
    x = 14,570,396.97/4,675.78
  6. Step 6: Final answer
    x = 3,116.15

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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.