Home / 5,289.10-7,299.39-2,932

Finding the Fourth Proportional to 5,289.10, 7,299.39 and 2,932

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Solution

The fourth proportional to 5,289.10, 7,299.39 and 2,932 is: 4,046.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.10 : 7,299.39 = 2,932 : x
  2. Step 2: Convert to fraction form
    5,289.10/7,299.39 = 2,932/x
  3. Step 3: Cross multiply
    5,289.10x = 7,299.39 × 2,932
  4. Step 4: Simplify right side
    5,289.10x = 21,401,811.48
  5. Step 5: Solve for x
    x = 21,401,811.48/5,289.10
  6. Step 6: Final answer
    x = 4,046.40

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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.