Home / 5,182.92-7,152.42-2,825.06

Finding the Fourth Proportional to 5,182.92, 7,152.42 and 2,825.06

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Solution

The fourth proportional to 5,182.92, 7,152.42 and 2,825.06 is: 3,898.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,182.92 : 7,152.42 = 2,825.06 : x
  2. Step 2: Convert to fraction form
    5,182.92/7,152.42 = 2,825.06/x
  3. Step 3: Cross multiply
    5,182.92x = 7,152.42 × 2,825.06
  4. Step 4: Simplify right side
    5,182.92x = 20,206,015.65
  5. Step 5: Solve for x
    x = 20,206,015.65/5,182.92
  6. Step 6: Final answer
    x = 3,898.58

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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.