Home / 5,800.14-8,700.89-2,104.11

Finding the Fourth Proportional to 5,800.14, 8,700.89 and 2,104.11

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Solution

The fourth proportional to 5,800.14, 8,700.89 and 2,104.11 is: 3,156.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,800.14 : 8,700.89 = 2,104.11 : x
  2. Step 2: Convert to fraction form
    5,800.14/8,700.89 = 2,104.11/x
  3. Step 3: Cross multiply
    5,800.14x = 8,700.89 × 2,104.11
  4. Step 4: Simplify right side
    5,800.14x = 18,307,619.14
  5. Step 5: Solve for x
    x = 18,307,619.14/5,800.14
  6. Step 6: Final answer
    x = 3,156.41

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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.