Home / 5,386.42-7,433.22-3,028.56

Finding the Fourth Proportional to 5,386.42, 7,433.22 and 3,028.56

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Solution

The fourth proportional to 5,386.42, 7,433.22 and 3,028.56 is: 4,179.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.42 : 7,433.22 = 3,028.56 : x
  2. Step 2: Convert to fraction form
    5,386.42/7,433.22 = 3,028.56/x
  3. Step 3: Cross multiply
    5,386.42x = 7,433.22 × 3,028.56
  4. Step 4: Simplify right side
    5,386.42x = 22,511,952.76
  5. Step 5: Solve for x
    x = 22,511,952.76/5,386.42
  6. Step 6: Final answer
    x = 4,179.39

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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.