Home / 2,727.47-4,098.12-1,740.75

Finding the Fourth Proportional to 2,727.47, 4,098.12 and 1,740.75

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Solution

The fourth proportional to 2,727.47, 4,098.12 and 1,740.75 is: 2,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,727.47 : 4,098.12 = 1,740.75 : x
  2. Step 2: Convert to fraction form
    2,727.47/4,098.12 = 1,740.75/x
  3. Step 3: Cross multiply
    2,727.47x = 4,098.12 × 1,740.75
  4. Step 4: Simplify right side
    2,727.47x = 7,133,814.21
  5. Step 5: Solve for x
    x = 7,133,814.21/2,727.47
  6. Step 6: Final answer
    x = 2,615.55

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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.