Home / 5,342.25-7,361.23-4,542.78

Finding the Fourth Proportional to 5,342.25, 7,361.23 and 4,542.78

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Solution

The fourth proportional to 5,342.25, 7,361.23 and 4,542.78 is: 6,259.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,342.25 : 7,361.23 = 4,542.78 : x
  2. Step 2: Convert to fraction form
    5,342.25/7,361.23 = 4,542.78/x
  3. Step 3: Cross multiply
    5,342.25x = 7,361.23 × 4,542.78
  4. Step 4: Simplify right side
    5,342.25x = 33,440,473.18
  5. Step 5: Solve for x
    x = 33,440,473.18/5,342.25
  6. Step 6: Final answer
    x = 6,259.62

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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.