Home / 5,356.29-7,391.46-2,998.38

Finding the Fourth Proportional to 5,356.29, 7,391.46 and 2,998.38

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Solution

The fourth proportional to 5,356.29, 7,391.46 and 2,998.38 is: 4,137.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.29 : 7,391.46 = 2,998.38 : x
  2. Step 2: Convert to fraction form
    5,356.29/7,391.46 = 2,998.38/x
  3. Step 3: Cross multiply
    5,356.29x = 7,391.46 × 2,998.38
  4. Step 4: Simplify right side
    5,356.29x = 22,162,405.83
  5. Step 5: Solve for x
    x = 22,162,405.83/5,356.29
  6. Step 6: Final answer
    x = 4,137.64

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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.