Home / 5,183.81-7,148-3,502.30

Finding the Fourth Proportional to 5,183.81, 7,148 and 3,502.30

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Solution

The fourth proportional to 5,183.81, 7,148 and 3,502.30 is: 4,829.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,183.81 : 7,148 = 3,502.30 : x
  2. Step 2: Convert to fraction form
    5,183.81/7,148 = 3,502.30/x
  3. Step 3: Cross multiply
    5,183.81x = 7,148 × 3,502.30
  4. Step 4: Simplify right side
    5,183.81x = 25,034,440.40
  5. Step 5: Solve for x
    x = 25,034,440.40/5,183.81
  6. Step 6: Final answer
    x = 4,829.35

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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.