Home / 5,435.60-7,500.20-3,197.04

Finding the Fourth Proportional to 5,435.60, 7,500.20 and 3,197.04

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Solution

The fourth proportional to 5,435.60, 7,500.20 and 3,197.04 is: 4,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.60 : 7,500.20 = 3,197.04 : x
  2. Step 2: Convert to fraction form
    5,435.60/7,500.20 = 3,197.04/x
  3. Step 3: Cross multiply
    5,435.60x = 7,500.20 × 3,197.04
  4. Step 4: Simplify right side
    5,435.60x = 23,978,439.41
  5. Step 5: Solve for x
    x = 23,978,439.41/5,435.60
  6. Step 6: Final answer
    x = 4,411.37

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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.