Home / 5,517.35-7,613.91-2,999.48

Finding the Fourth Proportional to 5,517.35, 7,613.91 and 2,999.48

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Solution

The fourth proportional to 5,517.35, 7,613.91 and 2,999.48 is: 4,139.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.35 : 7,613.91 = 2,999.48 : x
  2. Step 2: Convert to fraction form
    5,517.35/7,613.91 = 2,999.48/x
  3. Step 3: Cross multiply
    5,517.35x = 7,613.91 × 2,999.48
  4. Step 4: Simplify right side
    5,517.35x = 22,837,770.77
  5. Step 5: Solve for x
    x = 22,837,770.77/5,517.35
  6. Step 6: Final answer
    x = 4,139.26

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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.