Home / 5,216.05-7,197.96-2,858.14

Finding the Fourth Proportional to 5,216.05, 7,197.96 and 2,858.14

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Solution

The fourth proportional to 5,216.05, 7,197.96 and 2,858.14 is: 3,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.05 : 7,197.96 = 2,858.14 : x
  2. Step 2: Convert to fraction form
    5,216.05/7,197.96 = 2,858.14/x
  3. Step 3: Cross multiply
    5,216.05x = 7,197.96 × 2,858.14
  4. Step 4: Simplify right side
    5,216.05x = 20,572,777.39
  5. Step 5: Solve for x
    x = 20,572,777.39/5,216.05
  6. Step 6: Final answer
    x = 3,944.13

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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.