Home / 5,945.36-8,207.88-4,155.44

Finding the Fourth Proportional to 5,945.36, 8,207.88 and 4,155.44

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Solution

The fourth proportional to 5,945.36, 8,207.88 and 4,155.44 is: 5,736.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.36 : 8,207.88 = 4,155.44 : x
  2. Step 2: Convert to fraction form
    5,945.36/8,207.88 = 4,155.44/x
  3. Step 3: Cross multiply
    5,945.36x = 8,207.88 × 4,155.44
  4. Step 4: Simplify right side
    5,945.36x = 34,107,352.87
  5. Step 5: Solve for x
    x = 34,107,352.87/5,945.36
  6. Step 6: Final answer
    x = 5,736.80

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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.