Home / 3,162.51-4,360.86-2,217.99

Finding the Fourth Proportional to 3,162.51, 4,360.86 and 2,217.99

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Solution

The fourth proportional to 3,162.51, 4,360.86 and 2,217.99 is: 3,058.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,162.51 : 4,360.86 = 2,217.99 : x
  2. Step 2: Convert to fraction form
    3,162.51/4,360.86 = 2,217.99/x
  3. Step 3: Cross multiply
    3,162.51x = 4,360.86 × 2,217.99
  4. Step 4: Simplify right side
    3,162.51x = 9,672,343.87
  5. Step 5: Solve for x
    x = 9,672,343.87/3,162.51
  6. Step 6: Final answer
    x = 3,058.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.