Home / 5,301.44-7,936.36-3,215.16

Finding the Fourth Proportional to 5,301.44, 7,936.36 and 3,215.16

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Solution

The fourth proportional to 5,301.44, 7,936.36 and 3,215.16 is: 4,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,301.44 : 7,936.36 = 3,215.16 : x
  2. Step 2: Convert to fraction form
    5,301.44/7,936.36 = 3,215.16/x
  3. Step 3: Cross multiply
    5,301.44x = 7,936.36 × 3,215.16
  4. Step 4: Simplify right side
    5,301.44x = 25,516,667.22
  5. Step 5: Solve for x
    x = 25,516,667.22/5,301.44
  6. Step 6: Final answer
    x = 4,813.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.