Home / 5,931.78-8,185.77-3,575.22

Finding the Fourth Proportional to 5,931.78, 8,185.77 and 3,575.22

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Solution

The fourth proportional to 5,931.78, 8,185.77 and 3,575.22 is: 4,933.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,931.78 : 8,185.77 = 3,575.22 : x
  2. Step 2: Convert to fraction form
    5,931.78/8,185.77 = 3,575.22/x
  3. Step 3: Cross multiply
    5,931.78x = 8,185.77 × 3,575.22
  4. Step 4: Simplify right side
    5,931.78x = 29,265,928.62
  5. Step 5: Solve for x
    x = 29,265,928.62/5,931.78
  6. Step 6: Final answer
    x = 4,933.75

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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.