Home / 5,890.41-8,128.60-3,237.45

Finding the Fourth Proportional to 5,890.41, 8,128.60 and 3,237.45

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Solution

The fourth proportional to 5,890.41, 8,128.60 and 3,237.45 is: 4,467.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.41 : 8,128.60 = 3,237.45 : x
  2. Step 2: Convert to fraction form
    5,890.41/8,128.60 = 3,237.45/x
  3. Step 3: Cross multiply
    5,890.41x = 8,128.60 × 3,237.45
  4. Step 4: Simplify right side
    5,890.41x = 26,315,919.88
  5. Step 5: Solve for x
    x = 26,315,919.88/5,890.41
  6. Step 6: Final answer
    x = 4,467.59

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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.