Home / 5,529.12-7,630.26-3,171.48

Finding the Fourth Proportional to 5,529.12, 7,630.26 and 3,171.48

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Solution

The fourth proportional to 5,529.12, 7,630.26 and 3,171.48 is: 4,376.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,529.12 : 7,630.26 = 3,171.48 : x
  2. Step 2: Convert to fraction form
    5,529.12/7,630.26 = 3,171.48/x
  3. Step 3: Cross multiply
    5,529.12x = 7,630.26 × 3,171.48
  4. Step 4: Simplify right side
    5,529.12x = 24,199,216.98
  5. Step 5: Solve for x
    x = 24,199,216.98/5,529.12
  6. Step 6: Final answer
    x = 4,376.69

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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.