Home / 1,740.93-2,605.23-1,277.61

Finding the Fourth Proportional to 1,740.93, 2,605.23 and 1,277.61

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Solution

The fourth proportional to 1,740.93, 2,605.23 and 1,277.61 is: 1,911.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,740.93 : 2,605.23 = 1,277.61 : x
  2. Step 2: Convert to fraction form
    1,740.93/2,605.23 = 1,277.61/x
  3. Step 3: Cross multiply
    1,740.93x = 2,605.23 × 1,277.61
  4. Step 4: Simplify right side
    1,740.93x = 3,328,467.90
  5. Step 5: Solve for x
    x = 3,328,467.90/1,740.93
  6. Step 6: Final answer
    x = 1,911.89

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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.