Home / 5,350.35-7,382.43-2,992.05

Finding the Fourth Proportional to 5,350.35, 7,382.43 and 2,992.05

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Solution

The fourth proportional to 5,350.35, 7,382.43 and 2,992.05 is: 4,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.35 : 7,382.43 = 2,992.05 : x
  2. Step 2: Convert to fraction form
    5,350.35/7,382.43 = 2,992.05/x
  3. Step 3: Cross multiply
    5,350.35x = 7,382.43 × 2,992.05
  4. Step 4: Simplify right side
    5,350.35x = 22,088,599.68
  5. Step 5: Solve for x
    x = 22,088,599.68/5,350.35
  6. Step 6: Final answer
    x = 4,128.44

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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.