Home / 5,520.36-7,615.02-3,632.25

Finding the Fourth Proportional to 5,520.36, 7,615.02 and 3,632.25

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Solution

The fourth proportional to 5,520.36, 7,615.02 and 3,632.25 is: 5,010.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,520.36 : 7,615.02 = 3,632.25 : x
  2. Step 2: Convert to fraction form
    5,520.36/7,615.02 = 3,632.25/x
  3. Step 3: Cross multiply
    5,520.36x = 7,615.02 × 3,632.25
  4. Step 4: Simplify right side
    5,520.36x = 27,659,656.40
  5. Step 5: Solve for x
    x = 27,659,656.40/5,520.36
  6. Step 6: Final answer
    x = 5,010.48

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Half scale
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Double scale
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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.