Home / 5,905.32-8,149.35-3,216.53

Finding the Fourth Proportional to 5,905.32, 8,149.35 and 3,216.53

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Solution

The fourth proportional to 5,905.32, 8,149.35 and 3,216.53 is: 4,438.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,905.32 : 8,149.35 = 3,216.53 : x
  2. Step 2: Convert to fraction form
    5,905.32/8,149.35 = 3,216.53/x
  3. Step 3: Cross multiply
    5,905.32x = 8,149.35 × 3,216.53
  4. Step 4: Simplify right side
    5,905.32x = 26,212,588.01
  5. Step 5: Solve for x
    x = 26,212,588.01/5,905.32
  6. Step 6: Final answer
    x = 4,438.81

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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.