Home / 3,029.42-4,182.68-2,320.02

Finding the Fourth Proportional to 3,029.42, 4,182.68 and 2,320.02

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Solution

The fourth proportional to 3,029.42, 4,182.68 and 2,320.02 is: 3,203.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,029.42 : 4,182.68 = 2,320.02 : x
  2. Step 2: Convert to fraction form
    3,029.42/4,182.68 = 2,320.02/x
  3. Step 3: Cross multiply
    3,029.42x = 4,182.68 × 2,320.02
  4. Step 4: Simplify right side
    3,029.42x = 9,703,879.77
  5. Step 5: Solve for x
    x = 9,703,879.77/3,029.42
  6. Step 6: Final answer
    x = 3,203.21

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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.