Home / 4,116.45-5,682.83-2,859.69

Finding the Fourth Proportional to 4,116.45, 5,682.83 and 2,859.69

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Solution

The fourth proportional to 4,116.45, 5,682.83 and 2,859.69 is: 3,947.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,116.45 : 5,682.83 = 2,859.69 : x
  2. Step 2: Convert to fraction form
    4,116.45/5,682.83 = 2,859.69/x
  3. Step 3: Cross multiply
    4,116.45x = 5,682.83 × 2,859.69
  4. Step 4: Simplify right side
    4,116.45x = 16,251,117.82
  5. Step 5: Solve for x
    x = 16,251,117.82/4,116.45
  6. Step 6: Final answer
    x = 3,947.85

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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.