Home / 5,239.44-7,230.12-3,001.68

Finding the Fourth Proportional to 5,239.44, 7,230.12 and 3,001.68

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Solution

The fourth proportional to 5,239.44, 7,230.12 and 3,001.68 is: 4,142.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.44 : 7,230.12 = 3,001.68 : x
  2. Step 2: Convert to fraction form
    5,239.44/7,230.12 = 3,001.68/x
  3. Step 3: Cross multiply
    5,239.44x = 7,230.12 × 3,001.68
  4. Step 4: Simplify right side
    5,239.44x = 21,702,506.60
  5. Step 5: Solve for x
    x = 21,702,506.60/5,239.44
  6. Step 6: Final answer
    x = 4,142.14

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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.