Home / 2,556.24-3,528-1,612.80

Finding the Fourth Proportional to 2,556.24, 3,528 and 1,612.80

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Solution

The fourth proportional to 2,556.24, 3,528 and 1,612.80 is: 2,225.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.24 : 3,528 = 1,612.80 : x
  2. Step 2: Convert to fraction form
    2,556.24/3,528 = 1,612.80/x
  3. Step 3: Cross multiply
    2,556.24x = 3,528 × 1,612.80
  4. Step 4: Simplify right side
    2,556.24x = 5,689,958.40
  5. Step 5: Solve for x
    x = 5,689,958.40/2,556.24
  6. Step 6: Final answer
    x = 2,225.91

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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.