Home / 1,941.11-2,911.24-624.51

Finding the Fourth Proportional to 1,941.11, 2,911.24 and 624.51

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Solution

The fourth proportional to 1,941.11, 2,911.24 and 624.51 is: 936.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,941.11 : 2,911.24 = 624.51 : x
  2. Step 2: Convert to fraction form
    1,941.11/2,911.24 = 624.51/x
  3. Step 3: Cross multiply
    1,941.11x = 2,911.24 × 624.51
  4. Step 4: Simplify right side
    1,941.11x = 1,818,095.37
  5. Step 5: Solve for x
    x = 1,818,095.37/1,941.11
  6. Step 6: Final answer
    x = 936.63

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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.