Home / 5,671.14-8,507.19-1,511.15

Finding the Fourth Proportional to 5,671.14, 8,507.19 and 1,511.15

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Solution

The fourth proportional to 5,671.14, 8,507.19 and 1,511.15 is: 2,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.14 : 8,507.19 = 1,511.15 : x
  2. Step 2: Convert to fraction form
    5,671.14/8,507.19 = 1,511.15/x
  3. Step 3: Cross multiply
    5,671.14x = 8,507.19 × 1,511.15
  4. Step 4: Simplify right side
    5,671.14x = 12,855,640.17
  5. Step 5: Solve for x
    x = 12,855,640.17/5,671.14
  6. Step 6: Final answer
    x = 2,266.85

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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.