Home / 7,311.52-10,965.33-2,046.20

Finding the Fourth Proportional to 7,311.52, 10,965.33 and 2,046.20

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Solution

The fourth proportional to 7,311.52, 10,965.33 and 2,046.20 is: 3,068.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,311.52 : 10,965.33 = 2,046.20 : x
  2. Step 2: Convert to fraction form
    7,311.52/10,965.33 = 2,046.20/x
  3. Step 3: Cross multiply
    7,311.52x = 10,965.33 × 2,046.20
  4. Step 4: Simplify right side
    7,311.52x = 22,437,258.25
  5. Step 5: Solve for x
    x = 22,437,258.25/7,311.52
  6. Step 6: Final answer
    x = 3,068.75

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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.