Home / 3,671.46-5,505.55-1,172.02

Finding the Fourth Proportional to 3,671.46, 5,505.55 and 1,172.02

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Solution

The fourth proportional to 3,671.46, 5,505.55 and 1,172.02 is: 1,757.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.46 : 5,505.55 = 1,172.02 : x
  2. Step 2: Convert to fraction form
    3,671.46/5,505.55 = 1,172.02/x
  3. Step 3: Cross multiply
    3,671.46x = 5,505.55 × 1,172.02
  4. Step 4: Simplify right side
    3,671.46x = 6,452,614.71
  5. Step 5: Solve for x
    x = 6,452,614.71/3,671.46
  6. Step 6: Final answer
    x = 1,757.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.