Home / 7,348.68-10,141.01-3,991.42

Finding the Fourth Proportional to 7,348.68, 10,141.01 and 3,991.42

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Solution

The fourth proportional to 7,348.68, 10,141.01 and 3,991.42 is: 5,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.68 : 10,141.01 = 3,991.42 : x
  2. Step 2: Convert to fraction form
    7,348.68/10,141.01 = 3,991.42/x
  3. Step 3: Cross multiply
    7,348.68x = 10,141.01 × 3,991.42
  4. Step 4: Simplify right side
    7,348.68x = 40,476,984.82
  5. Step 5: Solve for x
    x = 40,476,984.82/7,348.68
  6. Step 6: Final answer
    x = 5,508.06

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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.