Home / 5,841.46-8,754.67-2,139.28

Finding the Fourth Proportional to 5,841.46, 8,754.67 and 2,139.28

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Solution

The fourth proportional to 5,841.46, 8,754.67 and 2,139.28 is: 3,206.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,841.46 : 8,754.67 = 2,139.28 : x
  2. Step 2: Convert to fraction form
    5,841.46/8,754.67 = 2,139.28/x
  3. Step 3: Cross multiply
    5,841.46x = 8,754.67 × 2,139.28
  4. Step 4: Simplify right side
    5,841.46x = 18,728,663.20
  5. Step 5: Solve for x
    x = 18,728,663.20/5,841.46
  6. Step 6: Final answer
    x = 3,206.16

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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.