Home / 5,001.31-7,499.44-1,668.38

Finding the Fourth Proportional to 5,001.31, 7,499.44 and 1,668.38

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Solution

The fourth proportional to 5,001.31, 7,499.44 and 1,668.38 is: 2,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,001.31 : 7,499.44 = 1,668.38 : x
  2. Step 2: Convert to fraction form
    5,001.31/7,499.44 = 1,668.38/x
  3. Step 3: Cross multiply
    5,001.31x = 7,499.44 × 1,668.38
  4. Step 4: Simplify right side
    5,001.31x = 12,511,915.71
  5. Step 5: Solve for x
    x = 12,511,915.71/5,001.31
  6. Step 6: Final answer
    x = 2,501.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.