Home / 2,549.10-3,818.78-1,723.32

Finding the Fourth Proportional to 2,549.10, 3,818.78 and 1,723.32

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Solution

The fourth proportional to 2,549.10, 3,818.78 and 1,723.32 is: 2,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,549.10 : 3,818.78 = 1,723.32 : x
  2. Step 2: Convert to fraction form
    2,549.10/3,818.78 = 1,723.32/x
  3. Step 3: Cross multiply
    2,549.10x = 3,818.78 × 1,723.32
  4. Step 4: Simplify right side
    2,549.10x = 6,580,971.33
  5. Step 5: Solve for x
    x = 6,580,971.33/2,549.10
  6. Step 6: Final answer
    x = 2,581.68

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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.