Home / 6,475.70-9,722.66-3,315.41

Finding the Fourth Proportional to 6,475.70, 9,722.66 and 3,315.41

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Solution

The fourth proportional to 6,475.70, 9,722.66 and 3,315.41 is: 4,977.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,475.70 : 9,722.66 = 3,315.41 : x
  2. Step 2: Convert to fraction form
    6,475.70/9,722.66 = 3,315.41/x
  3. Step 3: Cross multiply
    6,475.70x = 9,722.66 × 3,315.41
  4. Step 4: Simplify right side
    6,475.70x = 32,234,557.44
  5. Step 5: Solve for x
    x = 32,234,557.44/6,475.70
  6. Step 6: Final answer
    x = 4,977.77

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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.