Home / 6,742.83-10,104.53-3,815.09

Finding the Fourth Proportional to 6,742.83, 10,104.53 and 3,815.09

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Solution

The fourth proportional to 6,742.83, 10,104.53 and 3,815.09 is: 5,717.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.83 : 10,104.53 = 3,815.09 : x
  2. Step 2: Convert to fraction form
    6,742.83/10,104.53 = 3,815.09/x
  3. Step 3: Cross multiply
    6,742.83x = 10,104.53 × 3,815.09
  4. Step 4: Simplify right side
    6,742.83x = 38,549,621.76
  5. Step 5: Solve for x
    x = 38,549,621.76/6,742.83
  6. Step 6: Final answer
    x = 5,717.13

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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.