Home / 5,749.95-7,934.45-3,231.87

Finding the Fourth Proportional to 5,749.95, 7,934.45 and 3,231.87

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Solution

The fourth proportional to 5,749.95, 7,934.45 and 3,231.87 is: 4,459.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,749.95 : 7,934.45 = 3,231.87 : x
  2. Step 2: Convert to fraction form
    5,749.95/7,934.45 = 3,231.87/x
  3. Step 3: Cross multiply
    5,749.95x = 7,934.45 × 3,231.87
  4. Step 4: Simplify right side
    5,749.95x = 25,643,094.76
  5. Step 5: Solve for x
    x = 25,643,094.76/5,749.95
  6. Step 6: Final answer
    x = 4,459.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.