Home / 5,691.18-8,537.85-1,796.70

Finding the Fourth Proportional to 5,691.18, 8,537.85 and 1,796.70

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Solution

The fourth proportional to 5,691.18, 8,537.85 and 1,796.70 is: 2,695.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,691.18 : 8,537.85 = 1,796.70 : x
  2. Step 2: Convert to fraction form
    5,691.18/8,537.85 = 1,796.70/x
  3. Step 3: Cross multiply
    5,691.18x = 8,537.85 × 1,796.70
  4. Step 4: Simplify right side
    5,691.18x = 15,339,955.10
  5. Step 5: Solve for x
    x = 15,339,955.10/5,691.18
  6. Step 6: Final answer
    x = 2,695.39

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1.5x scale

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.