Home / 5,975.91-8,968.47-4,139.88

Finding the Fourth Proportional to 5,975.91, 8,968.47 and 4,139.88

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Solution

The fourth proportional to 5,975.91, 8,968.47 and 4,139.88 is: 6,213.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,975.91 : 8,968.47 = 4,139.88 : x
  2. Step 2: Convert to fraction form
    5,975.91/8,968.47 = 4,139.88/x
  3. Step 3: Cross multiply
    5,975.91x = 8,968.47 × 4,139.88
  4. Step 4: Simplify right side
    5,975.91x = 37,128,389.58
  5. Step 5: Solve for x
    x = 37,128,389.58/5,975.91
  6. Step 6: Final answer
    x = 6,213.01

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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.