Home / 5,890.56-8,128.77-3,237.95

Finding the Fourth Proportional to 5,890.56, 8,128.77 and 3,237.95

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Solution

The fourth proportional to 5,890.56, 8,128.77 and 3,237.95 is: 4,468.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.56 : 8,128.77 = 3,237.95 : x
  2. Step 2: Convert to fraction form
    5,890.56/8,128.77 = 3,237.95/x
  3. Step 3: Cross multiply
    5,890.56x = 8,128.77 × 3,237.95
  4. Step 4: Simplify right side
    5,890.56x = 26,320,540.69
  5. Step 5: Solve for x
    x = 26,320,540.69/5,890.56
  6. Step 6: Final answer
    x = 4,468.26

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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.