Home / 5,821.61-8,747.01-5,471.69

Finding the Fourth Proportional to 5,821.61, 8,747.01 and 5,471.69

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Solution

The fourth proportional to 5,821.61, 8,747.01 and 5,471.69 is: 8,221.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,821.61 : 8,747.01 = 5,471.69 : x
  2. Step 2: Convert to fraction form
    5,821.61/8,747.01 = 5,471.69/x
  3. Step 3: Cross multiply
    5,821.61x = 8,747.01 × 5,471.69
  4. Step 4: Simplify right side
    5,821.61x = 47,860,927.15
  5. Step 5: Solve for x
    x = 47,860,927.15/5,821.61
  6. Step 6: Final answer
    x = 8,221.25

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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.