Home / 5,515.98-7,613.55-3,249.30

Finding the Fourth Proportional to 5,515.98, 7,613.55 and 3,249.30

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Solution

The fourth proportional to 5,515.98, 7,613.55 and 3,249.30 is: 4,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,515.98 : 7,613.55 = 3,249.30 : x
  2. Step 2: Convert to fraction form
    5,515.98/7,613.55 = 3,249.30/x
  3. Step 3: Cross multiply
    5,515.98x = 7,613.55 × 3,249.30
  4. Step 4: Simplify right side
    5,515.98x = 24,738,708.02
  5. Step 5: Solve for x
    x = 24,738,708.02/5,515.98
  6. Step 6: Final answer
    x = 4,484.92

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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.