Home / 5,725.12-7,902.24-4,150.24

Finding the Fourth Proportional to 5,725.12, 7,902.24 and 4,150.24

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Solution

The fourth proportional to 5,725.12, 7,902.24 and 4,150.24 is: 5,728.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.12 : 7,902.24 = 4,150.24 : x
  2. Step 2: Convert to fraction form
    5,725.12/7,902.24 = 4,150.24/x
  3. Step 3: Cross multiply
    5,725.12x = 7,902.24 × 4,150.24
  4. Step 4: Simplify right side
    5,725.12x = 32,796,192.54
  5. Step 5: Solve for x
    x = 32,796,192.54/5,725.12
  6. Step 6: Final answer
    x = 5,728.47

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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.