Home / 2,723.76-4,087.68-1,798.98

Finding the Fourth Proportional to 2,723.76, 4,087.68 and 1,798.98

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Solution

The fourth proportional to 2,723.76, 4,087.68 and 1,798.98 is: 2,699.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,723.76 : 4,087.68 = 1,798.98 : x
  2. Step 2: Convert to fraction form
    2,723.76/4,087.68 = 1,798.98/x
  3. Step 3: Cross multiply
    2,723.76x = 4,087.68 × 1,798.98
  4. Step 4: Simplify right side
    2,723.76x = 7,353,654.57
  5. Step 5: Solve for x
    x = 7,353,654.57/2,723.76
  6. Step 6: Final answer
    x = 2,699.82

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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.