Home / 6,934.28-10,400.62-1,739.76

Finding the Fourth Proportional to 6,934.28, 10,400.62 and 1,739.76

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Solution

The fourth proportional to 6,934.28, 10,400.62 and 1,739.76 is: 2,609.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,934.28 : 10,400.62 = 1,739.76 : x
  2. Step 2: Convert to fraction form
    6,934.28/10,400.62 = 1,739.76/x
  3. Step 3: Cross multiply
    6,934.28x = 10,400.62 × 1,739.76
  4. Step 4: Simplify right side
    6,934.28x = 18,094,582.65
  5. Step 5: Solve for x
    x = 18,094,582.65/6,934.28
  6. Step 6: Final answer
    x = 2,609.44

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1.5x scale

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.