Home / 5,738.02-7,920.39-3,724.18

Finding the Fourth Proportional to 5,738.02, 7,920.39 and 3,724.18

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Solution

The fourth proportional to 5,738.02, 7,920.39 and 3,724.18 is: 5,140.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,738.02 : 7,920.39 = 3,724.18 : x
  2. Step 2: Convert to fraction form
    5,738.02/7,920.39 = 3,724.18/x
  3. Step 3: Cross multiply
    5,738.02x = 7,920.39 × 3,724.18
  4. Step 4: Simplify right side
    5,738.02x = 29,496,958.03
  5. Step 5: Solve for x
    x = 29,496,958.03/5,738.02
  6. Step 6: Final answer
    x = 5,140.62

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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.