Home / 5,386.86-7,433.42-3,028.56

Finding the Fourth Proportional to 5,386.86, 7,433.42 and 3,028.56

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Solution

The fourth proportional to 5,386.86, 7,433.42 and 3,028.56 is: 4,179.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,386.86 : 7,433.42 = 3,028.56 : x
  2. Step 2: Convert to fraction form
    5,386.86/7,433.42 = 3,028.56/x
  3. Step 3: Cross multiply
    5,386.86x = 7,433.42 × 3,028.56
  4. Step 4: Simplify right side
    5,386.86x = 22,512,558.48
  5. Step 5: Solve for x
    x = 22,512,558.48/5,386.86
  6. Step 6: Final answer
    x = 4,179.16

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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.