Home / 4,939.71-6,813.67-3,447.08

Finding the Fourth Proportional to 4,939.71, 6,813.67 and 3,447.08

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Solution

The fourth proportional to 4,939.71, 6,813.67 and 3,447.08 is: 4,754.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.71 : 6,813.67 = 3,447.08 : x
  2. Step 2: Convert to fraction form
    4,939.71/6,813.67 = 3,447.08/x
  3. Step 3: Cross multiply
    4,939.71x = 6,813.67 × 3,447.08
  4. Step 4: Simplify right side
    4,939.71x = 23,487,274.08
  5. Step 5: Solve for x
    x = 23,487,274.08/4,939.71
  6. Step 6: Final answer
    x = 4,754.79

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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.