Home / 5,318.73-7,336.04-3,902.85

Finding the Fourth Proportional to 5,318.73, 7,336.04 and 3,902.85

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Solution

The fourth proportional to 5,318.73, 7,336.04 and 3,902.85 is: 5,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318.73 : 7,336.04 = 3,902.85 : x
  2. Step 2: Convert to fraction form
    5,318.73/7,336.04 = 3,902.85/x
  3. Step 3: Cross multiply
    5,318.73x = 7,336.04 × 3,902.85
  4. Step 4: Simplify right side
    5,318.73x = 28,631,444.20
  5. Step 5: Solve for x
    x = 28,631,444.20/5,318.73
  6. Step 6: Final answer
    x = 5,383.14

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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.