Home / 6,020.48-8,309.04-3,930.68

Finding the Fourth Proportional to 6,020.48, 8,309.04 and 3,930.68

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Solution

The fourth proportional to 6,020.48, 8,309.04 and 3,930.68 is: 5,424.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,020.48 : 8,309.04 = 3,930.68 : x
  2. Step 2: Convert to fraction form
    6,020.48/8,309.04 = 3,930.68/x
  3. Step 3: Cross multiply
    6,020.48x = 8,309.04 × 3,930.68
  4. Step 4: Simplify right side
    6,020.48x = 32,660,177.35
  5. Step 5: Solve for x
    x = 32,660,177.35/6,020.48
  6. Step 6: Final answer
    x = 5,424.85

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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.