Home / 4,129.82-5,700.21-2,556.98

Finding the Fourth Proportional to 4,129.82, 5,700.21 and 2,556.98

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Solution

The fourth proportional to 4,129.82, 5,700.21 and 2,556.98 is: 3,529.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.82 : 5,700.21 = 2,556.98 : x
  2. Step 2: Convert to fraction form
    4,129.82/5,700.21 = 2,556.98/x
  3. Step 3: Cross multiply
    4,129.82x = 5,700.21 × 2,556.98
  4. Step 4: Simplify right side
    4,129.82x = 14,575,322.97
  5. Step 5: Solve for x
    x = 14,575,322.97/4,129.82
  6. Step 6: Final answer
    x = 3,529.29

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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.