Home / 2,556.56-3,816.18-2,193.68

Finding the Fourth Proportional to 2,556.56, 3,816.18 and 2,193.68

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Solution

The fourth proportional to 2,556.56, 3,816.18 and 2,193.68 is: 3,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,556.56 : 3,816.18 = 2,193.68 : x
  2. Step 2: Convert to fraction form
    2,556.56/3,816.18 = 2,193.68/x
  3. Step 3: Cross multiply
    2,556.56x = 3,816.18 × 2,193.68
  4. Step 4: Simplify right side
    2,556.56x = 8,371,477.74
  5. Step 5: Solve for x
    x = 8,371,477.74/2,556.56
  6. Step 6: Final answer
    x = 3,274.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.