Home / 4,453.67-6,139.64-3,123.24

Finding the Fourth Proportional to 4,453.67, 6,139.64 and 3,123.24

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Solution

The fourth proportional to 4,453.67, 6,139.64 and 3,123.24 is: 4,305.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.67 : 6,139.64 = 3,123.24 : x
  2. Step 2: Convert to fraction form
    4,453.67/6,139.64 = 3,123.24/x
  3. Step 3: Cross multiply
    4,453.67x = 6,139.64 × 3,123.24
  4. Step 4: Simplify right side
    4,453.67x = 19,175,553.62
  5. Step 5: Solve for x
    x = 19,175,553.62/4,453.67
  6. Step 6: Final answer
    x = 4,305.57

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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.