Home / 5,207.83-7,818.64-3,103.35

Finding the Fourth Proportional to 5,207.83, 7,818.64 and 3,103.35

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Solution

The fourth proportional to 5,207.83, 7,818.64 and 3,103.35 is: 4,659.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,207.83 : 7,818.64 = 3,103.35 : x
  2. Step 2: Convert to fraction form
    5,207.83/7,818.64 = 3,103.35/x
  3. Step 3: Cross multiply
    5,207.83x = 7,818.64 × 3,103.35
  4. Step 4: Simplify right side
    5,207.83x = 24,263,956.82
  5. Step 5: Solve for x
    x = 24,263,956.82/5,207.83
  6. Step 6: Final answer
    x = 4,659.13

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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.