Home / 5,715.40-8,577.45-2,944.42

Finding the Fourth Proportional to 5,715.40, 8,577.45 and 2,944.42

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Solution

The fourth proportional to 5,715.40, 8,577.45 and 2,944.42 is: 4,418.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,715.40 : 8,577.45 = 2,944.42 : x
  2. Step 2: Convert to fraction form
    5,715.40/8,577.45 = 2,944.42/x
  3. Step 3: Cross multiply
    5,715.40x = 8,577.45 × 2,944.42
  4. Step 4: Simplify right side
    5,715.40x = 25,255,615.33
  5. Step 5: Solve for x
    x = 25,255,615.33/5,715.40
  6. Step 6: Final answer
    x = 4,418.87

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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.