Home / 4,650.92-6,976.40-1,140.95

Finding the Fourth Proportional to 4,650.92, 6,976.40 and 1,140.95

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Solution

The fourth proportional to 4,650.92, 6,976.40 and 1,140.95 is: 1,711.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.92 : 6,976.40 = 1,140.95 : x
  2. Step 2: Convert to fraction form
    4,650.92/6,976.40 = 1,140.95/x
  3. Step 3: Cross multiply
    4,650.92x = 6,976.40 × 1,140.95
  4. Step 4: Simplify right side
    4,650.92x = 7,959,682.99
  5. Step 5: Solve for x
    x = 7,959,682.99/4,650.92
  6. Step 6: Final answer
    x = 1,711.42

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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.