Home / 5,372.46-8,057.77-1,423.76

Finding the Fourth Proportional to 5,372.46, 8,057.77 and 1,423.76

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Solution

The fourth proportional to 5,372.46, 8,057.77 and 1,423.76 is: 2,135.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,372.46 : 8,057.77 = 1,423.76 : x
  2. Step 2: Convert to fraction form
    5,372.46/8,057.77 = 1,423.76/x
  3. Step 3: Cross multiply
    5,372.46x = 8,057.77 × 1,423.76
  4. Step 4: Simplify right side
    5,372.46x = 11,472,286.77
  5. Step 5: Solve for x
    x = 11,472,286.77/5,372.46
  6. Step 6: Final answer
    x = 2,135.39

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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.