Home / 7,327.80-10,112.94-4,534.20

Finding the Fourth Proportional to 7,327.80, 10,112.94 and 4,534.20

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Solution

The fourth proportional to 7,327.80, 10,112.94 and 4,534.20 is: 6,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,327.80 : 10,112.94 = 4,534.20 : x
  2. Step 2: Convert to fraction form
    7,327.80/10,112.94 = 4,534.20/x
  3. Step 3: Cross multiply
    7,327.80x = 10,112.94 × 4,534.20
  4. Step 4: Simplify right side
    7,327.80x = 45,854,092.55
  5. Step 5: Solve for x
    x = 45,854,092.55/7,327.80
  6. Step 6: Final answer
    x = 6,257.55

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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.