Home / 5,746.25-8,612.40-2,621.97

Finding the Fourth Proportional to 5,746.25, 8,612.40 and 2,621.97

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Solution

The fourth proportional to 5,746.25, 8,612.40 and 2,621.97 is: 3,929.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,746.25 : 8,612.40 = 2,621.97 : x
  2. Step 2: Convert to fraction form
    5,746.25/8,612.40 = 2,621.97/x
  3. Step 3: Cross multiply
    5,746.25x = 8,612.40 × 2,621.97
  4. Step 4: Simplify right side
    5,746.25x = 22,581,454.43
  5. Step 5: Solve for x
    x = 22,581,454.43/5,746.25
  6. Step 6: Final answer
    x = 3,929.78

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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.