Home / 5,436.46-7,502.66-3,078.96

Finding the Fourth Proportional to 5,436.46, 7,502.66 and 3,078.96

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Solution

The fourth proportional to 5,436.46, 7,502.66 and 3,078.96 is: 4,249.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,436.46 : 7,502.66 = 3,078.96 : x
  2. Step 2: Convert to fraction form
    5,436.46/7,502.66 = 3,078.96/x
  3. Step 3: Cross multiply
    5,436.46x = 7,502.66 × 3,078.96
  4. Step 4: Simplify right side
    5,436.46x = 23,100,390.03
  5. Step 5: Solve for x
    x = 23,100,390.03/5,436.46
  6. Step 6: Final answer
    x = 4,249.16

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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.