Home / 7,440.74-10,268.31-4,083.48

Finding the Fourth Proportional to 7,440.74, 10,268.31 and 4,083.48

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Solution

The fourth proportional to 7,440.74, 10,268.31 and 4,083.48 is: 5,635.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,440.74 : 10,268.31 = 4,083.48 : x
  2. Step 2: Convert to fraction form
    7,440.74/10,268.31 = 4,083.48/x
  3. Step 3: Cross multiply
    7,440.74x = 10,268.31 × 4,083.48
  4. Step 4: Simplify right side
    7,440.74x = 41,930,438.52
  5. Step 5: Solve for x
    x = 41,930,438.52/7,440.74
  6. Step 6: Final answer
    x = 5,635.25

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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.