Home / 5,712.68-7,884.38-3,475.25

Finding the Fourth Proportional to 5,712.68, 7,884.38 and 3,475.25

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Solution

The fourth proportional to 5,712.68, 7,884.38 and 3,475.25 is: 4,796.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.68 : 7,884.38 = 3,475.25 : x
  2. Step 2: Convert to fraction form
    5,712.68/7,884.38 = 3,475.25/x
  3. Step 3: Cross multiply
    5,712.68x = 7,884.38 × 3,475.25
  4. Step 4: Simplify right side
    5,712.68x = 27,400,191.60
  5. Step 5: Solve for x
    x = 27,400,191.60/5,712.68
  6. Step 6: Final answer
    x = 4,796.38

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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.