Home / 5,982.81-8,255.88-3,330.15

Finding the Fourth Proportional to 5,982.81, 8,255.88 and 3,330.15

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Solution

The fourth proportional to 5,982.81, 8,255.88 and 3,330.15 is: 4,595.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,982.81 : 8,255.88 = 3,330.15 : x
  2. Step 2: Convert to fraction form
    5,982.81/8,255.88 = 3,330.15/x
  3. Step 3: Cross multiply
    5,982.81x = 8,255.88 × 3,330.15
  4. Step 4: Simplify right side
    5,982.81x = 27,493,318.78
  5. Step 5: Solve for x
    x = 27,493,318.78/5,982.81
  6. Step 6: Final answer
    x = 4,595.39

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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.