Home / 7,228.05-9,974.32-4,084.03

Finding the Fourth Proportional to 7,228.05, 9,974.32 and 4,084.03

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Solution

The fourth proportional to 7,228.05, 9,974.32 and 4,084.03 is: 5,635.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,228.05 : 9,974.32 = 4,084.03 : x
  2. Step 2: Convert to fraction form
    7,228.05/9,974.32 = 4,084.03/x
  3. Step 3: Cross multiply
    7,228.05x = 9,974.32 × 4,084.03
  4. Step 4: Simplify right side
    7,228.05x = 40,735,424.37
  5. Step 5: Solve for x
    x = 40,735,424.37/7,228.05
  6. Step 6: Final answer
    x = 5,635.74

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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.