Home / 5,212.35-7,823.99-2,746.51

Finding the Fourth Proportional to 5,212.35, 7,823.99 and 2,746.51

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Solution

The fourth proportional to 5,212.35, 7,823.99 and 2,746.51 is: 4,122.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.35 : 7,823.99 = 2,746.51 : x
  2. Step 2: Convert to fraction form
    5,212.35/7,823.99 = 2,746.51/x
  3. Step 3: Cross multiply
    5,212.35x = 7,823.99 × 2,746.51
  4. Step 4: Simplify right side
    5,212.35x = 21,488,654.08
  5. Step 5: Solve for x
    x = 21,488,654.08/5,212.35
  6. Step 6: Final answer
    x = 4,122.64

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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.