Home / 5,890.26-8,128.56-3,237.67

Finding the Fourth Proportional to 5,890.26, 8,128.56 and 3,237.67

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Solution

The fourth proportional to 5,890.26, 8,128.56 and 3,237.67 is: 4,467.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,890.26 : 8,128.56 = 3,237.67 : x
  2. Step 2: Convert to fraction form
    5,890.26/8,128.56 = 3,237.67/x
  3. Step 3: Cross multiply
    5,890.26x = 8,128.56 × 3,237.67
  4. Step 4: Simplify right side
    5,890.26x = 26,317,594.86
  5. Step 5: Solve for x
    x = 26,317,594.86/5,890.26
  6. Step 6: Final answer
    x = 4,467.99

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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.