Home / 2,423.82-3,637.55-943.28

Finding the Fourth Proportional to 2,423.82, 3,637.55 and 943.28

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Solution

The fourth proportional to 2,423.82, 3,637.55 and 943.28 is: 1,415.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.82 : 3,637.55 = 943.28 : x
  2. Step 2: Convert to fraction form
    2,423.82/3,637.55 = 943.28/x
  3. Step 3: Cross multiply
    2,423.82x = 3,637.55 × 943.28
  4. Step 4: Simplify right side
    2,423.82x = 3,431,214.35
  5. Step 5: Solve for x
    x = 3,431,214.35/2,423.82
  6. Step 6: Final answer
    x = 1,415.62

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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.