Home / 5,493.72-7,580.18-3,135.80

Finding the Fourth Proportional to 5,493.72, 7,580.18 and 3,135.80

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Solution

The fourth proportional to 5,493.72, 7,580.18 and 3,135.80 is: 4,326.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.72 : 7,580.18 = 3,135.80 : x
  2. Step 2: Convert to fraction form
    5,493.72/7,580.18 = 3,135.80/x
  3. Step 3: Cross multiply
    5,493.72x = 7,580.18 × 3,135.80
  4. Step 4: Simplify right side
    5,493.72x = 23,769,928.44
  5. Step 5: Solve for x
    x = 23,769,928.44/5,493.72
  6. Step 6: Final answer
    x = 4,326.75

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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.