Home / 5,298.38-7,311.29-2,907.96

Finding the Fourth Proportional to 5,298.38, 7,311.29 and 2,907.96

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Solution

The fourth proportional to 5,298.38, 7,311.29 and 2,907.96 is: 4,012.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,298.38 : 7,311.29 = 2,907.96 : x
  2. Step 2: Convert to fraction form
    5,298.38/7,311.29 = 2,907.96/x
  3. Step 3: Cross multiply
    5,298.38x = 7,311.29 × 2,907.96
  4. Step 4: Simplify right side
    5,298.38x = 21,260,938.87
  5. Step 5: Solve for x
    x = 21,260,938.87/5,298.38
  6. Step 6: Final answer
    x = 4,012.72

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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.