Home / 5,771.05-8,670.85-3,691.98

Finding the Fourth Proportional to 5,771.05, 8,670.85 and 3,691.98

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Solution

The fourth proportional to 5,771.05, 8,670.85 and 3,691.98 is: 5,547.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,771.05 : 8,670.85 = 3,691.98 : x
  2. Step 2: Convert to fraction form
    5,771.05/8,670.85 = 3,691.98/x
  3. Step 3: Cross multiply
    5,771.05x = 8,670.85 × 3,691.98
  4. Step 4: Simplify right side
    5,771.05x = 32,012,595.55
  5. Step 5: Solve for x
    x = 32,012,595.55/5,771.05
  6. Step 6: Final answer
    x = 5,547.10

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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.