Home / 2,800.05-4,233.21-2,777.01

Finding the Fourth Proportional to 2,800.05, 4,233.21 and 2,777.01

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Solution

The fourth proportional to 2,800.05, 4,233.21 and 2,777.01 is: 4,198.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,800.05 : 4,233.21 = 2,777.01 : x
  2. Step 2: Convert to fraction form
    2,800.05/4,233.21 = 2,777.01/x
  3. Step 3: Cross multiply
    2,800.05x = 4,233.21 × 2,777.01
  4. Step 4: Simplify right side
    2,800.05x = 11,755,666.50
  5. Step 5: Solve for x
    x = 11,755,666.50/2,800.05
  6. Step 6: Final answer
    x = 4,198.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.