Home / 5,239.63-7,231.19-3,001.06

Finding the Fourth Proportional to 5,239.63, 7,231.19 and 3,001.06

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Solution

The fourth proportional to 5,239.63, 7,231.19 and 3,001.06 is: 4,141.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.63 : 7,231.19 = 3,001.06 : x
  2. Step 2: Convert to fraction form
    5,239.63/7,231.19 = 3,001.06/x
  3. Step 3: Cross multiply
    5,239.63x = 7,231.19 × 3,001.06
  4. Step 4: Simplify right side
    5,239.63x = 21,701,235.06
  5. Step 5: Solve for x
    x = 21,701,235.06/5,239.63
  6. Step 6: Final answer
    x = 4,141.75

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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.