Home / 7,935.25-11,903.55-2,091.88

Finding the Fourth Proportional to 7,935.25, 11,903.55 and 2,091.88

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Solution

The fourth proportional to 7,935.25, 11,903.55 and 2,091.88 is: 3,138.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,935.25 : 11,903.55 = 2,091.88 : x
  2. Step 2: Convert to fraction form
    7,935.25/11,903.55 = 2,091.88/x
  3. Step 3: Cross multiply
    7,935.25x = 11,903.55 × 2,091.88
  4. Step 4: Simplify right side
    7,935.25x = 24,900,798.17
  5. Step 5: Solve for x
    x = 24,900,798.17/7,935.25
  6. Step 6: Final answer
    x = 3,138.00

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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.