Home / 5,240.52-7,231.60-3,001.88

Finding the Fourth Proportional to 5,240.52, 7,231.60 and 3,001.88

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Solution

The fourth proportional to 5,240.52, 7,231.60 and 3,001.88 is: 4,142.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,240.52 : 7,231.60 = 3,001.88 : x
  2. Step 2: Convert to fraction form
    5,240.52/7,231.60 = 3,001.88/x
  3. Step 3: Cross multiply
    5,240.52x = 7,231.60 × 3,001.88
  4. Step 4: Simplify right side
    5,240.52x = 21,708,400.35
  5. Step 5: Solve for x
    x = 21,708,400.35/5,240.52
  6. Step 6: Final answer
    x = 4,142.41

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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.