Home / 5,780.48-8,673.12-3,183.20

Finding the Fourth Proportional to 5,780.48, 8,673.12 and 3,183.20

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Solution

The fourth proportional to 5,780.48, 8,673.12 and 3,183.20 is: 4,776.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.48 : 8,673.12 = 3,183.20 : x
  2. Step 2: Convert to fraction form
    5,780.48/8,673.12 = 3,183.20/x
  3. Step 3: Cross multiply
    5,780.48x = 8,673.12 × 3,183.20
  4. Step 4: Simplify right side
    5,780.48x = 27,608,275.58
  5. Step 5: Solve for x
    x = 27,608,275.58/5,780.48
  6. Step 6: Final answer
    x = 4,776.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.