Home / 5,350.14-7,382.94-3,111.84

Finding the Fourth Proportional to 5,350.14, 7,382.94 and 3,111.84

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Solution

The fourth proportional to 5,350.14, 7,382.94 and 3,111.84 is: 4,294.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,350.14 : 7,382.94 = 3,111.84 : x
  2. Step 2: Convert to fraction form
    5,350.14/7,382.94 = 3,111.84/x
  3. Step 3: Cross multiply
    5,350.14x = 7,382.94 × 3,111.84
  4. Step 4: Simplify right side
    5,350.14x = 22,974,528.01
  5. Step 5: Solve for x
    x = 22,974,528.01/5,350.14
  6. Step 6: Final answer
    x = 4,294.19

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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.