Home / 5,519.67-7,613.28-3,630.66

Finding the Fourth Proportional to 5,519.67, 7,613.28 and 3,630.66

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Solution

The fourth proportional to 5,519.67, 7,613.28 and 3,630.66 is: 5,007.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.67 : 7,613.28 = 3,630.66 : x
  2. Step 2: Convert to fraction form
    5,519.67/7,613.28 = 3,630.66/x
  3. Step 3: Cross multiply
    5,519.67x = 7,613.28 × 3,630.66
  4. Step 4: Simplify right side
    5,519.67x = 27,641,231.16
  5. Step 5: Solve for x
    x = 27,641,231.16/5,519.67
  6. Step 6: Final answer
    x = 5,007.77

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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.