Home / 5,724.23-7,939.85-5,572.49

Finding the Fourth Proportional to 5,724.23, 7,939.85 and 5,572.49

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Solution

The fourth proportional to 5,724.23, 7,939.85 and 5,572.49 is: 7,729.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.23 : 7,939.85 = 5,572.49 : x
  2. Step 2: Convert to fraction form
    5,724.23/7,939.85 = 5,572.49/x
  3. Step 3: Cross multiply
    5,724.23x = 7,939.85 × 5,572.49
  4. Step 4: Simplify right side
    5,724.23x = 44,244,734.73
  5. Step 5: Solve for x
    x = 44,244,734.73/5,724.23
  6. Step 6: Final answer
    x = 7,729.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.