Home / 5,835.76-8,752.08-3,986.56

Finding the Fourth Proportional to 5,835.76, 8,752.08 and 3,986.56

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Solution

The fourth proportional to 5,835.76, 8,752.08 and 3,986.56 is: 5,978.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,835.76 : 8,752.08 = 3,986.56 : x
  2. Step 2: Convert to fraction form
    5,835.76/8,752.08 = 3,986.56/x
  3. Step 3: Cross multiply
    5,835.76x = 8,752.08 × 3,986.56
  4. Step 4: Simplify right side
    5,835.76x = 34,890,692.04
  5. Step 5: Solve for x
    x = 34,890,692.04/5,835.76
  6. Step 6: Final answer
    x = 5,978.77

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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.