Home / 2,176.56-3,265.65-1,021.50

Finding the Fourth Proportional to 2,176.56, 3,265.65 and 1,021.50

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Solution

The fourth proportional to 2,176.56, 3,265.65 and 1,021.50 is: 1,532.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,176.56 : 3,265.65 = 1,021.50 : x
  2. Step 2: Convert to fraction form
    2,176.56/3,265.65 = 1,021.50/x
  3. Step 3: Cross multiply
    2,176.56x = 3,265.65 × 1,021.50
  4. Step 4: Simplify right side
    2,176.56x = 3,335,861.48
  5. Step 5: Solve for x
    x = 3,335,861.48/2,176.56
  6. Step 6: Final answer
    x = 1,532.63

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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.