Home / 5,724.66-7,902.70-3,710.18

Finding the Fourth Proportional to 5,724.66, 7,902.70 and 3,710.18

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Solution

The fourth proportional to 5,724.66, 7,902.70 and 3,710.18 is: 5,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.66 : 7,902.70 = 3,710.18 : x
  2. Step 2: Convert to fraction form
    5,724.66/7,902.70 = 3,710.18/x
  3. Step 3: Cross multiply
    5,724.66x = 7,902.70 × 3,710.18
  4. Step 4: Simplify right side
    5,724.66x = 29,320,439.49
  5. Step 5: Solve for x
    x = 29,320,439.49/5,724.66
  6. Step 6: Final answer
    x = 5,121.78

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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.