Home / 5,585.13-8,377.88-1,836.81

Finding the Fourth Proportional to 5,585.13, 8,377.88 and 1,836.81

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Solution

The fourth proportional to 5,585.13, 8,377.88 and 1,836.81 is: 2,755.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.13 : 8,377.88 = 1,836.81 : x
  2. Step 2: Convert to fraction form
    5,585.13/8,377.88 = 1,836.81/x
  3. Step 3: Cross multiply
    5,585.13x = 8,377.88 × 1,836.81
  4. Step 4: Simplify right side
    5,585.13x = 15,388,564.58
  5. Step 5: Solve for x
    x = 15,388,564.58/5,585.13
  6. Step 6: Final answer
    x = 2,755.27

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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.