Home / 5,163.20-7,125.73-2,924.90

Finding the Fourth Proportional to 5,163.20, 7,125.73 and 2,924.90

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Solution

The fourth proportional to 5,163.20, 7,125.73 and 2,924.90 is: 4,036.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.20 : 7,125.73 = 2,924.90 : x
  2. Step 2: Convert to fraction form
    5,163.20/7,125.73 = 2,924.90/x
  3. Step 3: Cross multiply
    5,163.20x = 7,125.73 × 2,924.90
  4. Step 4: Simplify right side
    5,163.20x = 20,842,048.65
  5. Step 5: Solve for x
    x = 20,842,048.65/5,163.20
  6. Step 6: Final answer
    x = 4,036.65

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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.