Home / 3,426.26-4,728.51-1,934.46

Finding the Fourth Proportional to 3,426.26, 4,728.51 and 1,934.46

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Solution

The fourth proportional to 3,426.26, 4,728.51 and 1,934.46 is: 2,669.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,426.26 : 4,728.51 = 1,934.46 : x
  2. Step 2: Convert to fraction form
    3,426.26/4,728.51 = 1,934.46/x
  3. Step 3: Cross multiply
    3,426.26x = 4,728.51 × 1,934.46
  4. Step 4: Simplify right side
    3,426.26x = 9,147,113.45
  5. Step 5: Solve for x
    x = 9,147,113.45/3,426.26
  6. Step 6: Final answer
    x = 2,669.71

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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.