Home / 5,356.22-7,391.54-2,998.81

Finding the Fourth Proportional to 5,356.22, 7,391.54 and 2,998.81

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Solution

The fourth proportional to 5,356.22, 7,391.54 and 2,998.81 is: 4,138.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,356.22 : 7,391.54 = 2,998.81 : x
  2. Step 2: Convert to fraction form
    5,356.22/7,391.54 = 2,998.81/x
  3. Step 3: Cross multiply
    5,356.22x = 7,391.54 × 2,998.81
  4. Step 4: Simplify right side
    5,356.22x = 22,165,772.12
  5. Step 5: Solve for x
    x = 22,165,772.12/5,356.22
  6. Step 6: Final answer
    x = 4,138.32

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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.