Home / 3,958.08-5,462.28-2,716.08

Finding the Fourth Proportional to 3,958.08, 5,462.28 and 2,716.08

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Solution

The fourth proportional to 3,958.08, 5,462.28 and 2,716.08 is: 3,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,958.08 : 5,462.28 = 2,716.08 : x
  2. Step 2: Convert to fraction form
    3,958.08/5,462.28 = 2,716.08/x
  3. Step 3: Cross multiply
    3,958.08x = 5,462.28 × 2,716.08
  4. Step 4: Simplify right side
    3,958.08x = 14,835,989.46
  5. Step 5: Solve for x
    x = 14,835,989.46/3,958.08
  6. Step 6: Final answer
    x = 3,748.28

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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.