Home / 3,716.34-5,129.30-2,144.22

Finding the Fourth Proportional to 3,716.34, 5,129.30 and 2,144.22

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Solution

The fourth proportional to 3,716.34, 5,129.30 and 2,144.22 is: 2,959.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,716.34 : 5,129.30 = 2,144.22 : x
  2. Step 2: Convert to fraction form
    3,716.34/5,129.30 = 2,144.22/x
  3. Step 3: Cross multiply
    3,716.34x = 5,129.30 × 2,144.22
  4. Step 4: Simplify right side
    3,716.34x = 10,998,347.65
  5. Step 5: Solve for x
    x = 10,998,347.65/3,716.34
  6. Step 6: Final answer
    x = 2,959.46

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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.