Home / 5,513.16-7,611.33-3,630.22

Finding the Fourth Proportional to 5,513.16, 7,611.33 and 3,630.22

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Solution

The fourth proportional to 5,513.16, 7,611.33 and 3,630.22 is: 5,011.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,513.16 : 7,611.33 = 3,630.22 : x
  2. Step 2: Convert to fraction form
    5,513.16/7,611.33 = 3,630.22/x
  3. Step 3: Cross multiply
    5,513.16x = 7,611.33 × 3,630.22
  4. Step 4: Simplify right side
    5,513.16x = 27,630,796.98
  5. Step 5: Solve for x
    x = 27,630,796.98/5,513.16
  6. Step 6: Final answer
    x = 5,011.79

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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.