Home / 5,880.96-8,115.75-3,228.66

Finding the Fourth Proportional to 5,880.96, 8,115.75 and 3,228.66

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Solution

The fourth proportional to 5,880.96, 8,115.75 and 3,228.66 is: 4,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,880.96 : 8,115.75 = 3,228.66 : x
  2. Step 2: Convert to fraction form
    5,880.96/8,115.75 = 3,228.66/x
  3. Step 3: Cross multiply
    5,880.96x = 8,115.75 × 3,228.66
  4. Step 4: Simplify right side
    5,880.96x = 26,202,997.40
  5. Step 5: Solve for x
    x = 26,202,997.40/5,880.96
  6. Step 6: Final answer
    x = 4,455.56

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1.5x scale

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.