Home / 7,031.44-10,553.72-3,571.28

Finding the Fourth Proportional to 7,031.44, 10,553.72 and 3,571.28

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Solution

The fourth proportional to 7,031.44, 10,553.72 and 3,571.28 is: 5,360.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,031.44 : 10,553.72 = 3,571.28 : x
  2. Step 2: Convert to fraction form
    7,031.44/10,553.72 = 3,571.28/x
  3. Step 3: Cross multiply
    7,031.44x = 10,553.72 × 3,571.28
  4. Step 4: Simplify right side
    7,031.44x = 37,690,289.16
  5. Step 5: Solve for x
    x = 37,690,289.16/7,031.44
  6. Step 6: Final answer
    x = 5,360.25

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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.