Home / 4,979.24-7,470.48-2,382.38

Finding the Fourth Proportional to 4,979.24, 7,470.48 and 2,382.38

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Solution

The fourth proportional to 4,979.24, 7,470.48 and 2,382.38 is: 3,574.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.24 : 7,470.48 = 2,382.38 : x
  2. Step 2: Convert to fraction form
    4,979.24/7,470.48 = 2,382.38/x
  3. Step 3: Cross multiply
    4,979.24x = 7,470.48 × 2,382.38
  4. Step 4: Simplify right side
    4,979.24x = 17,797,484.79
  5. Step 5: Solve for x
    x = 17,797,484.79/4,979.24
  6. Step 6: Final answer
    x = 3,574.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.