Home / 3,164.51-4,363.62-2,219.99

Finding the Fourth Proportional to 3,164.51, 4,363.62 and 2,219.99

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Solution

The fourth proportional to 3,164.51, 4,363.62 and 2,219.99 is: 3,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,164.51 : 4,363.62 = 2,219.99 : x
  2. Step 2: Convert to fraction form
    3,164.51/4,363.62 = 2,219.99/x
  3. Step 3: Cross multiply
    3,164.51x = 4,363.62 × 2,219.99
  4. Step 4: Simplify right side
    3,164.51x = 9,687,192.76
  5. Step 5: Solve for x
    x = 9,687,192.76/3,164.51
  6. Step 6: Final answer
    x = 3,061.20

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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.