Home / 6,463.72-9,698.46-3,385

Finding the Fourth Proportional to 6,463.72, 9,698.46 and 3,385

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Solution

The fourth proportional to 6,463.72, 9,698.46 and 3,385 is: 5,079.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,463.72 : 9,698.46 = 3,385 : x
  2. Step 2: Convert to fraction form
    6,463.72/9,698.46 = 3,385/x
  3. Step 3: Cross multiply
    6,463.72x = 9,698.46 × 3,385
  4. Step 4: Simplify right side
    6,463.72x = 32,829,287.10
  5. Step 5: Solve for x
    x = 32,829,287.10/6,463.72
  6. Step 6: Final answer
    x = 5,079.01

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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.