Home / 3,019.87-4,167.13-2,076.49

Finding the Fourth Proportional to 3,019.87, 4,167.13 and 2,076.49

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Solution

The fourth proportional to 3,019.87, 4,167.13 and 2,076.49 is: 2,865.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,019.87 : 4,167.13 = 2,076.49 : x
  2. Step 2: Convert to fraction form
    3,019.87/4,167.13 = 2,076.49/x
  3. Step 3: Cross multiply
    3,019.87x = 4,167.13 × 2,076.49
  4. Step 4: Simplify right side
    3,019.87x = 8,653,003.77
  5. Step 5: Solve for x
    x = 8,653,003.77/3,019.87
  6. Step 6: Final answer
    x = 2,865.36

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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.