Home / 6,926.13-10,390.77-2,543.58

Finding the Fourth Proportional to 6,926.13, 10,390.77 and 2,543.58

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Solution

The fourth proportional to 6,926.13, 10,390.77 and 2,543.58 is: 3,815.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,926.13 : 10,390.77 = 2,543.58 : x
  2. Step 2: Convert to fraction form
    6,926.13/10,390.77 = 2,543.58/x
  3. Step 3: Cross multiply
    6,926.13x = 10,390.77 × 2,543.58
  4. Step 4: Simplify right side
    6,926.13x = 26,429,754.76
  5. Step 5: Solve for x
    x = 26,429,754.76/6,926.13
  6. Step 6: Final answer
    x = 3,815.95

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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.