Home / 3,935.70-5,926.85-2,847.66

Finding the Fourth Proportional to 3,935.70, 5,926.85 and 2,847.66

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Solution

The fourth proportional to 3,935.70, 5,926.85 and 2,847.66 is: 4,288.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,935.70 : 5,926.85 = 2,847.66 : x
  2. Step 2: Convert to fraction form
    3,935.70/5,926.85 = 2,847.66/x
  3. Step 3: Cross multiply
    3,935.70x = 5,926.85 × 2,847.66
  4. Step 4: Simplify right side
    3,935.70x = 16,877,639.43
  5. Step 5: Solve for x
    x = 16,877,639.43/3,935.70
  6. Step 6: Final answer
    x = 4,288.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.