Home / 5,433.30-7,499.13-3,309.53

Finding the Fourth Proportional to 5,433.30, 7,499.13 and 3,309.53

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Solution

The fourth proportional to 5,433.30, 7,499.13 and 3,309.53 is: 4,567.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,433.30 : 7,499.13 = 3,309.53 : x
  2. Step 2: Convert to fraction form
    5,433.30/7,499.13 = 3,309.53/x
  3. Step 3: Cross multiply
    5,433.30x = 7,499.13 × 3,309.53
  4. Step 4: Simplify right side
    5,433.30x = 24,818,627.69
  5. Step 5: Solve for x
    x = 24,818,627.69/5,433.30
  6. Step 6: Final answer
    x = 4,567.87

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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.