Home / 5,134.24-7,074.79-3,541.38

Finding the Fourth Proportional to 5,134.24, 7,074.79 and 3,541.38

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Solution

The fourth proportional to 5,134.24, 7,074.79 and 3,541.38 is: 4,879.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,134.24 : 7,074.79 = 3,541.38 : x
  2. Step 2: Convert to fraction form
    5,134.24/7,074.79 = 3,541.38/x
  3. Step 3: Cross multiply
    5,134.24x = 7,074.79 × 3,541.38
  4. Step 4: Simplify right side
    5,134.24x = 25,054,519.81
  5. Step 5: Solve for x
    x = 25,054,519.81/5,134.24
  6. Step 6: Final answer
    x = 4,879.89

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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.