Home / 5,503.52-7,584.36-3,928.88

Finding the Fourth Proportional to 5,503.52, 7,584.36 and 3,928.88

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Solution

The fourth proportional to 5,503.52, 7,584.36 and 3,928.88 is: 5,414.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,503.52 : 7,584.36 = 3,928.88 : x
  2. Step 2: Convert to fraction form
    5,503.52/7,584.36 = 3,928.88/x
  3. Step 3: Cross multiply
    5,503.52x = 7,584.36 × 3,928.88
  4. Step 4: Simplify right side
    5,503.52x = 29,798,040.32
  5. Step 5: Solve for x
    x = 29,798,040.32/5,503.52
  6. Step 6: Final answer
    x = 5,414.36

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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.