Home / 5,449.60-8,174.40-3,973.60

Finding the Fourth Proportional to 5,449.60, 8,174.40 and 3,973.60

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Solution

The fourth proportional to 5,449.60, 8,174.40 and 3,973.60 is: 5,960.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.60 : 8,174.40 = 3,973.60 : x
  2. Step 2: Convert to fraction form
    5,449.60/8,174.40 = 3,973.60/x
  3. Step 3: Cross multiply
    5,449.60x = 8,174.40 × 3,973.60
  4. Step 4: Simplify right side
    5,449.60x = 32,481,795.84
  5. Step 5: Solve for x
    x = 32,481,795.84/5,449.60
  6. Step 6: Final answer
    x = 5,960.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.