Home / 7,730.12-11,595.27-2,183.60

Finding the Fourth Proportional to 7,730.12, 11,595.27 and 2,183.60

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Solution

The fourth proportional to 7,730.12, 11,595.27 and 2,183.60 is: 3,275.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.12 : 11,595.27 = 2,183.60 : x
  2. Step 2: Convert to fraction form
    7,730.12/11,595.27 = 2,183.60/x
  3. Step 3: Cross multiply
    7,730.12x = 11,595.27 × 2,183.60
  4. Step 4: Simplify right side
    7,730.12x = 25,319,431.57
  5. Step 5: Solve for x
    x = 25,319,431.57/7,730.12
  6. Step 6: Final answer
    x = 3,275.43

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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.