Home / 4,076.38-6,115.21-1,611.21

Finding the Fourth Proportional to 4,076.38, 6,115.21 and 1,611.21

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Solution

The fourth proportional to 4,076.38, 6,115.21 and 1,611.21 is: 2,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,076.38 : 6,115.21 = 1,611.21 : x
  2. Step 2: Convert to fraction form
    4,076.38/6,115.21 = 1,611.21/x
  3. Step 3: Cross multiply
    4,076.38x = 6,115.21 × 1,611.21
  4. Step 4: Simplify right side
    4,076.38x = 9,852,883.48
  5. Step 5: Solve for x
    x = 9,852,883.48/4,076.38
  6. Step 6: Final answer
    x = 2,417.07

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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.