Home / 2,577.18-3,556.68-1,946.61

Finding the Fourth Proportional to 2,577.18, 3,556.68 and 1,946.61

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Solution

The fourth proportional to 2,577.18, 3,556.68 and 1,946.61 is: 2,686.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,577.18 : 3,556.68 = 1,946.61 : x
  2. Step 2: Convert to fraction form
    2,577.18/3,556.68 = 1,946.61/x
  3. Step 3: Cross multiply
    2,577.18x = 3,556.68 × 1,946.61
  4. Step 4: Simplify right side
    2,577.18x = 6,923,468.85
  5. Step 5: Solve for x
    x = 6,923,468.85/2,577.18
  6. Step 6: Final answer
    x = 2,686.45

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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.