Home / 6,143.67-8,475.98-3,489.03

Finding the Fourth Proportional to 6,143.67, 8,475.98 and 3,489.03

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Solution

The fourth proportional to 6,143.67, 8,475.98 and 3,489.03 is: 4,813.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,143.67 : 8,475.98 = 3,489.03 : x
  2. Step 2: Convert to fraction form
    6,143.67/8,475.98 = 3,489.03/x
  3. Step 3: Cross multiply
    6,143.67x = 8,475.98 × 3,489.03
  4. Step 4: Simplify right side
    6,143.67x = 29,572,931.05
  5. Step 5: Solve for x
    x = 29,572,931.05/6,143.67
  6. Step 6: Final answer
    x = 4,813.56

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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.