Home / 5,267.30-7,893.40-3,869.66

Finding the Fourth Proportional to 5,267.30, 7,893.40 and 3,869.66

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Solution

The fourth proportional to 5,267.30, 7,893.40 and 3,869.66 is: 5,798.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,267.30 : 7,893.40 = 3,869.66 : x
  2. Step 2: Convert to fraction form
    5,267.30/7,893.40 = 3,869.66/x
  3. Step 3: Cross multiply
    5,267.30x = 7,893.40 × 3,869.66
  4. Step 4: Simplify right side
    5,267.30x = 30,544,774.24
  5. Step 5: Solve for x
    x = 30,544,774.24/5,267.30
  6. Step 6: Final answer
    x = 5,798.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.