Home / 2,526-3,784.05-1,289.76

Finding the Fourth Proportional to 2,526, 3,784.05 and 1,289.76

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Solution

The fourth proportional to 2,526, 3,784.05 and 1,289.76 is: 1,932.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,526 : 3,784.05 = 1,289.76 : x
  2. Step 2: Convert to fraction form
    2,526/3,784.05 = 1,289.76/x
  3. Step 3: Cross multiply
    2,526x = 3,784.05 × 1,289.76
  4. Step 4: Simplify right side
    2,526x = 4,880,516.33
  5. Step 5: Solve for x
    x = 4,880,516.33/2,526
  6. Step 6: Final answer
    x = 1,932.11

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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.