Home / 5,726.16-7,901.62-3,173.99

Finding the Fourth Proportional to 5,726.16, 7,901.62 and 3,173.99

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Solution

The fourth proportional to 5,726.16, 7,901.62 and 3,173.99 is: 4,379.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,726.16 : 7,901.62 = 3,173.99 : x
  2. Step 2: Convert to fraction form
    5,726.16/7,901.62 = 3,173.99/x
  3. Step 3: Cross multiply
    5,726.16x = 7,901.62 × 3,173.99
  4. Step 4: Simplify right side
    5,726.16x = 25,079,615.42
  5. Step 5: Solve for x
    x = 25,079,615.42/5,726.16
  6. Step 6: Final answer
    x = 4,379.83

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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.