Home / 3,865.30-5,820.62-2,777.27

Finding the Fourth Proportional to 3,865.30, 5,820.62 and 2,777.27

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Solution

The fourth proportional to 3,865.30, 5,820.62 and 2,777.27 is: 4,182.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,865.30 : 5,820.62 = 2,777.27 : x
  2. Step 2: Convert to fraction form
    3,865.30/5,820.62 = 2,777.27/x
  3. Step 3: Cross multiply
    3,865.30x = 5,820.62 × 2,777.27
  4. Step 4: Simplify right side
    3,865.30x = 16,165,390.32
  5. Step 5: Solve for x
    x = 16,165,390.32/3,865.30
  6. Step 6: Final answer
    x = 4,182.19

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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.