Home / 7,135.97-9,845.26-4,151.17

Finding the Fourth Proportional to 7,135.97, 9,845.26 and 4,151.17

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Solution

The fourth proportional to 7,135.97, 9,845.26 and 4,151.17 is: 5,727.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,135.97 : 9,845.26 = 4,151.17 : x
  2. Step 2: Convert to fraction form
    7,135.97/9,845.26 = 4,151.17/x
  3. Step 3: Cross multiply
    7,135.97x = 9,845.26 × 4,151.17
  4. Step 4: Simplify right side
    7,135.97x = 40,869,383.41
  5. Step 5: Solve for x
    x = 40,869,383.41/7,135.97
  6. Step 6: Final answer
    x = 5,727.23

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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.