Home / 2,125.53-3,182.82-1,707.11

Finding the Fourth Proportional to 2,125.53, 3,182.82 and 1,707.11

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Solution

The fourth proportional to 2,125.53, 3,182.82 and 1,707.11 is: 2,556.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,125.53 : 3,182.82 = 1,707.11 : x
  2. Step 2: Convert to fraction form
    2,125.53/3,182.82 = 1,707.11/x
  3. Step 3: Cross multiply
    2,125.53x = 3,182.82 × 1,707.11
  4. Step 4: Simplify right side
    2,125.53x = 5,433,423.85
  5. Step 5: Solve for x
    x = 5,433,423.85/2,125.53
  6. Step 6: Final answer
    x = 2,556.27

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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.