Home / 5,493.11-7,580.30-3,135.15

Finding the Fourth Proportional to 5,493.11, 7,580.30 and 3,135.15

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Solution

The fourth proportional to 5,493.11, 7,580.30 and 3,135.15 is: 4,326.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.11 : 7,580.30 = 3,135.15 : x
  2. Step 2: Convert to fraction form
    5,493.11/7,580.30 = 3,135.15/x
  3. Step 3: Cross multiply
    5,493.11x = 7,580.30 × 3,135.15
  4. Step 4: Simplify right side
    5,493.11x = 23,765,361.87
  5. Step 5: Solve for x
    x = 23,765,361.87/5,493.11
  6. Step 6: Final answer
    x = 4,326.40

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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.