Home / 5,248.51-7,236.94-3,919.97

Finding the Fourth Proportional to 5,248.51, 7,236.94 and 3,919.97

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Solution

The fourth proportional to 5,248.51, 7,236.94 and 3,919.97 is: 5,405.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,248.51 : 7,236.94 = 3,919.97 : x
  2. Step 2: Convert to fraction form
    5,248.51/7,236.94 = 3,919.97/x
  3. Step 3: Cross multiply
    5,248.51x = 7,236.94 × 3,919.97
  4. Step 4: Simplify right side
    5,248.51x = 28,368,568.09
  5. Step 5: Solve for x
    x = 28,368,568.09/5,248.51
  6. Step 6: Final answer
    x = 5,405.07

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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.