Home / 6,579.90-9,080.64-3,746.79

Finding the Fourth Proportional to 6,579.90, 9,080.64 and 3,746.79

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Solution

The fourth proportional to 6,579.90, 9,080.64 and 3,746.79 is: 5,170.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.90 : 9,080.64 = 3,746.79 : x
  2. Step 2: Convert to fraction form
    6,579.90/9,080.64 = 3,746.79/x
  3. Step 3: Cross multiply
    6,579.90x = 9,080.64 × 3,746.79
  4. Step 4: Simplify right side
    6,579.90x = 34,023,251.15
  5. Step 5: Solve for x
    x = 34,023,251.15/6,579.90
  6. Step 6: Final answer
    x = 5,170.79

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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.