Home / 3,767.42-5,204.05-3,140.03

Finding the Fourth Proportional to 3,767.42, 5,204.05 and 3,140.03

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Solution

The fourth proportional to 3,767.42, 5,204.05 and 3,140.03 is: 4,337.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.42 : 5,204.05 = 3,140.03 : x
  2. Step 2: Convert to fraction form
    3,767.42/5,204.05 = 3,140.03/x
  3. Step 3: Cross multiply
    3,767.42x = 5,204.05 × 3,140.03
  4. Step 4: Simplify right side
    3,767.42x = 16,340,873.12
  5. Step 5: Solve for x
    x = 16,340,873.12/3,767.42
  6. Step 6: Final answer
    x = 4,337.42

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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.