Home / 6,102.38-8,421.30-3,307.88

Finding the Fourth Proportional to 6,102.38, 8,421.30 and 3,307.88

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Solution

The fourth proportional to 6,102.38, 8,421.30 and 3,307.88 is: 4,564.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,102.38 : 8,421.30 = 3,307.88 : x
  2. Step 2: Convert to fraction form
    6,102.38/8,421.30 = 3,307.88/x
  3. Step 3: Cross multiply
    6,102.38x = 8,421.30 × 3,307.88
  4. Step 4: Simplify right side
    6,102.38x = 27,856,607.74
  5. Step 5: Solve for x
    x = 27,856,607.74/6,102.38
  6. Step 6: Final answer
    x = 4,564.88

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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.