Home / 7,440.67-10,268.21-4,083.70

Finding the Fourth Proportional to 7,440.67, 10,268.21 and 4,083.70

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Solution

The fourth proportional to 7,440.67, 10,268.21 and 4,083.70 is: 5,635.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.67 : 10,268.21 = 4,083.70 : x
  2. Step 2: Convert to fraction form
    7,440.67/10,268.21 = 4,083.70/x
  3. Step 3: Cross multiply
    7,440.67x = 10,268.21 × 4,083.70
  4. Step 4: Simplify right side
    7,440.67x = 41,932,289.18
  5. Step 5: Solve for x
    x = 41,932,289.18/7,440.67
  6. Step 6: Final answer
    x = 5,635.55

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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.