Home / 6,306.65-8,700.17-4,067.40

Finding the Fourth Proportional to 6,306.65, 8,700.17 and 4,067.40

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Solution

The fourth proportional to 6,306.65, 8,700.17 and 4,067.40 is: 5,611.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,306.65 : 8,700.17 = 4,067.40 : x
  2. Step 2: Convert to fraction form
    6,306.65/8,700.17 = 4,067.40/x
  3. Step 3: Cross multiply
    6,306.65x = 8,700.17 × 4,067.40
  4. Step 4: Simplify right side
    6,306.65x = 35,387,071.46
  5. Step 5: Solve for x
    x = 35,387,071.46/6,306.65
  6. Step 6: Final answer
    x = 5,611.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.