Home / 5,445.16-7,515.52-3,321.41

Finding the Fourth Proportional to 5,445.16, 7,515.52 and 3,321.41

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Solution

The fourth proportional to 5,445.16, 7,515.52 and 3,321.41 is: 4,584.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.16 : 7,515.52 = 3,321.41 : x
  2. Step 2: Convert to fraction form
    5,445.16/7,515.52 = 3,321.41/x
  3. Step 3: Cross multiply
    5,445.16x = 7,515.52 × 3,321.41
  4. Step 4: Simplify right side
    5,445.16x = 24,962,077.40
  5. Step 5: Solve for x
    x = 24,962,077.40/5,445.16
  6. Step 6: Final answer
    x = 4,584.27

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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.