Home / 2,556.79-3,528.23-1,612.73

Finding the Fourth Proportional to 2,556.79, 3,528.23 and 1,612.73

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Solution

The fourth proportional to 2,556.79, 3,528.23 and 1,612.73 is: 2,225.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.79 : 3,528.23 = 1,612.73 : x
  2. Step 2: Convert to fraction form
    2,556.79/3,528.23 = 1,612.73/x
  3. Step 3: Cross multiply
    2,556.79x = 3,528.23 × 1,612.73
  4. Step 4: Simplify right side
    2,556.79x = 5,690,083.12
  5. Step 5: Solve for x
    x = 5,690,083.12/2,556.79
  6. Step 6: Final answer
    x = 2,225.48

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1.5x scale

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.