Home / 2,124.23-3,180.95-1,776.70

Finding the Fourth Proportional to 2,124.23, 3,180.95 and 1,776.70

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Solution

The fourth proportional to 2,124.23, 3,180.95 and 1,776.70 is: 2,660.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,124.23 : 3,180.95 = 1,776.70 : x
  2. Step 2: Convert to fraction form
    2,124.23/3,180.95 = 1,776.70/x
  3. Step 3: Cross multiply
    2,124.23x = 3,180.95 × 1,776.70
  4. Step 4: Simplify right side
    2,124.23x = 5,651,595.62
  5. Step 5: Solve for x
    x = 5,651,595.62/2,124.23
  6. Step 6: Final answer
    x = 2,660.54

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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.