Home / 3,817.81-5,715.20-3,452.77

Finding the Fourth Proportional to 3,817.81, 5,715.20 and 3,452.77

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Solution

The fourth proportional to 3,817.81, 5,715.20 and 3,452.77 is: 5,168.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,817.81 : 5,715.20 = 3,452.77 : x
  2. Step 2: Convert to fraction form
    3,817.81/5,715.20 = 3,452.77/x
  3. Step 3: Cross multiply
    3,817.81x = 5,715.20 × 3,452.77
  4. Step 4: Simplify right side
    3,817.81x = 19,733,253.84
  5. Step 5: Solve for x
    x = 19,733,253.84/3,817.81
  6. Step 6: Final answer
    x = 5,168.74

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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.