Home / 3,203.10-4,420.19-1,786.83

Finding the Fourth Proportional to 3,203.10, 4,420.19 and 1,786.83

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Solution

The fourth proportional to 3,203.10, 4,420.19 and 1,786.83 is: 2,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,203.10 : 4,420.19 = 1,786.83 : x
  2. Step 2: Convert to fraction form
    3,203.10/4,420.19 = 1,786.83/x
  3. Step 3: Cross multiply
    3,203.10x = 4,420.19 × 1,786.83
  4. Step 4: Simplify right side
    3,203.10x = 7,898,119.16
  5. Step 5: Solve for x
    x = 7,898,119.16/3,203.10
  6. Step 6: Final answer
    x = 2,465.77

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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.