Home / 4,879.02-6,733.00-2,640.85

Finding the Fourth Proportional to 4,879.02, 6,733.00 and 2,640.85

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Solution

The fourth proportional to 4,879.02, 6,733.00 and 2,640.85 is: 3,644.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.02 : 6,733.00 = 2,640.85 : x
  2. Step 2: Convert to fraction form
    4,879.02/6,733.00 = 2,640.85/x
  3. Step 3: Cross multiply
    4,879.02x = 6,733.00 × 2,640.85
  4. Step 4: Simplify right side
    4,879.02x = 17,780,829.52
  5. Step 5: Solve for x
    x = 17,780,829.52/4,879.02
  6. Step 6: Final answer
    x = 3,644.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.