Home / 3,739.48-5,159.87-2,167.27

Finding the Fourth Proportional to 3,739.48, 5,159.87 and 2,167.27

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Solution

The fourth proportional to 3,739.48, 5,159.87 and 2,167.27 is: 2,990.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,739.48 : 5,159.87 = 2,167.27 : x
  2. Step 2: Convert to fraction form
    3,739.48/5,159.87 = 2,167.27/x
  3. Step 3: Cross multiply
    3,739.48x = 5,159.87 × 2,167.27
  4. Step 4: Simplify right side
    3,739.48x = 11,182,805.66
  5. Step 5: Solve for x
    x = 11,182,805.66/3,739.48
  6. Step 6: Final answer
    x = 2,990.47

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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.