Home / 6,505.40-9,761.12-2,063.76

Finding the Fourth Proportional to 6,505.40, 9,761.12 and 2,063.76

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Solution

The fourth proportional to 6,505.40, 9,761.12 and 2,063.76 is: 3,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,505.40 : 9,761.12 = 2,063.76 : x
  2. Step 2: Convert to fraction form
    6,505.40/9,761.12 = 2,063.76/x
  3. Step 3: Cross multiply
    6,505.40x = 9,761.12 × 2,063.76
  4. Step 4: Simplify right side
    6,505.40x = 20,144,643.04
  5. Step 5: Solve for x
    x = 20,144,643.04/6,505.40
  6. Step 6: Final answer
    x = 3,096.60

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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.