Home / 6,579.60-9,078.96-3,746.64

Finding the Fourth Proportional to 6,579.60, 9,078.96 and 3,746.64

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Solution

The fourth proportional to 6,579.60, 9,078.96 and 3,746.64 is: 5,169.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.60 : 9,078.96 = 3,746.64 : x
  2. Step 2: Convert to fraction form
    6,579.60/9,078.96 = 3,746.64/x
  3. Step 3: Cross multiply
    6,579.60x = 9,078.96 × 3,746.64
  4. Step 4: Simplify right side
    6,579.60x = 34,015,594.69
  5. Step 5: Solve for x
    x = 34,015,594.69/6,579.60
  6. Step 6: Final answer
    x = 5,169.86

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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.