Home / 2,876.18-3,966.64-2,245.73

Finding the Fourth Proportional to 2,876.18, 3,966.64 and 2,245.73

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Solution

The fourth proportional to 2,876.18, 3,966.64 and 2,245.73 is: 3,097.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,876.18 : 3,966.64 = 2,245.73 : x
  2. Step 2: Convert to fraction form
    2,876.18/3,966.64 = 2,245.73/x
  3. Step 3: Cross multiply
    2,876.18x = 3,966.64 × 2,245.73
  4. Step 4: Simplify right side
    2,876.18x = 8,907,977.00
  5. Step 5: Solve for x
    x = 8,907,977.00/2,876.18
  6. Step 6: Final answer
    x = 3,097.16

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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.