Home / 7,348.56-10,141.08-3,991.38

Finding the Fourth Proportional to 7,348.56, 10,141.08 and 3,991.38

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Solution

The fourth proportional to 7,348.56, 10,141.08 and 3,991.38 is: 5,508.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.56 : 10,141.08 = 3,991.38 : x
  2. Step 2: Convert to fraction form
    7,348.56/10,141.08 = 3,991.38/x
  3. Step 3: Cross multiply
    7,348.56x = 10,141.08 × 3,991.38
  4. Step 4: Simplify right side
    7,348.56x = 40,476,873.35
  5. Step 5: Solve for x
    x = 40,476,873.35/7,348.56
  6. Step 6: Final answer
    x = 5,508.14

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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.