Home / 5,471.10-8,208.09-1,575.82

Finding the Fourth Proportional to 5,471.10, 8,208.09 and 1,575.82

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Solution

The fourth proportional to 5,471.10, 8,208.09 and 1,575.82 is: 2,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,471.10 : 8,208.09 = 1,575.82 : x
  2. Step 2: Convert to fraction form
    5,471.10/8,208.09 = 1,575.82/x
  3. Step 3: Cross multiply
    5,471.10x = 8,208.09 × 1,575.82
  4. Step 4: Simplify right side
    5,471.10x = 12,934,472.38
  5. Step 5: Solve for x
    x = 12,934,472.38/5,471.10
  6. Step 6: Final answer
    x = 2,364.14

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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.