Home / 5,412.48-7,449.96-3,837.84

Finding the Fourth Proportional to 5,412.48, 7,449.96 and 3,837.84

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Solution

The fourth proportional to 5,412.48, 7,449.96 and 3,837.84 is: 5,282.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,412.48 : 7,449.96 = 3,837.84 : x
  2. Step 2: Convert to fraction form
    5,412.48/7,449.96 = 3,837.84/x
  3. Step 3: Cross multiply
    5,412.48x = 7,449.96 × 3,837.84
  4. Step 4: Simplify right side
    5,412.48x = 28,591,754.49
  5. Step 5: Solve for x
    x = 28,591,754.49/5,412.48
  6. Step 6: Final answer
    x = 5,282.56

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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.