Home / 5,379.51-7,424.30-3,022.47

Finding the Fourth Proportional to 5,379.51, 7,424.30 and 3,022.47

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Solution

The fourth proportional to 5,379.51, 7,424.30 and 3,022.47 is: 4,171.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,379.51 : 7,424.30 = 3,022.47 : x
  2. Step 2: Convert to fraction form
    5,379.51/7,424.30 = 3,022.47/x
  3. Step 3: Cross multiply
    5,379.51x = 7,424.30 × 3,022.47
  4. Step 4: Simplify right side
    5,379.51x = 22,439,708.91
  5. Step 5: Solve for x
    x = 22,439,708.91/5,379.51
  6. Step 6: Final answer
    x = 4,171.33

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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.