Home / 5,958.18-8,221.44-3,439.89

Finding the Fourth Proportional to 5,958.18, 8,221.44 and 3,439.89

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Solution

The fourth proportional to 5,958.18, 8,221.44 and 3,439.89 is: 4,746.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,958.18 : 8,221.44 = 3,439.89 : x
  2. Step 2: Convert to fraction form
    5,958.18/8,221.44 = 3,439.89/x
  3. Step 3: Cross multiply
    5,958.18x = 8,221.44 × 3,439.89
  4. Step 4: Simplify right side
    5,958.18x = 28,280,849.24
  5. Step 5: Solve for x
    x = 28,280,849.24/5,958.18
  6. Step 6: Final answer
    x = 4,746.56

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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.