Home / 6,470.51-9,703.68-2,086.94

Finding the Fourth Proportional to 6,470.51, 9,703.68 and 2,086.94

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Solution

The fourth proportional to 6,470.51, 9,703.68 and 2,086.94 is: 3,129.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,470.51 : 9,703.68 = 2,086.94 : x
  2. Step 2: Convert to fraction form
    6,470.51/9,703.68 = 2,086.94/x
  3. Step 3: Cross multiply
    6,470.51x = 9,703.68 × 2,086.94
  4. Step 4: Simplify right side
    6,470.51x = 20,250,949.42
  5. Step 5: Solve for x
    x = 20,250,949.42/6,470.51
  6. Step 6: Final answer
    x = 3,129.73

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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.