Home / 7,331.52-10,125.12-5,635.20

Finding the Fourth Proportional to 7,331.52, 10,125.12 and 5,635.20

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Solution

The fourth proportional to 7,331.52, 10,125.12 and 5,635.20 is: 7,782.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.52 : 10,125.12 = 5,635.20 : x
  2. Step 2: Convert to fraction form
    7,331.52/10,125.12 = 5,635.20/x
  3. Step 3: Cross multiply
    7,331.52x = 10,125.12 × 5,635.20
  4. Step 4: Simplify right side
    7,331.52x = 57,057,076.22
  5. Step 5: Solve for x
    x = 57,057,076.22/7,331.52
  6. Step 6: Final answer
    x = 7,782.43

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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.