Home / 3,204.37-4,421.50-2,140.43

Finding the Fourth Proportional to 3,204.37, 4,421.50 and 2,140.43

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Solution

The fourth proportional to 3,204.37, 4,421.50 and 2,140.43 is: 2,953.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,204.37 : 4,421.50 = 2,140.43 : x
  2. Step 2: Convert to fraction form
    3,204.37/4,421.50 = 2,140.43/x
  3. Step 3: Cross multiply
    3,204.37x = 4,421.50 × 2,140.43
  4. Step 4: Simplify right side
    3,204.37x = 9,463,924.80
  5. Step 5: Solve for x
    x = 9,463,924.80/3,204.37
  6. Step 6: Final answer
    x = 2,953.44

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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.