Home / 6,627.66-9,147.06-4,276.64

Finding the Fourth Proportional to 6,627.66, 9,147.06 and 4,276.64

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Solution

The fourth proportional to 6,627.66, 9,147.06 and 4,276.64 is: 5,902.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.66 : 9,147.06 = 4,276.64 : x
  2. Step 2: Convert to fraction form
    6,627.66/9,147.06 = 4,276.64/x
  3. Step 3: Cross multiply
    6,627.66x = 9,147.06 × 4,276.64
  4. Step 4: Simplify right side
    6,627.66x = 39,118,682.68
  5. Step 5: Solve for x
    x = 39,118,682.68/6,627.66
  6. Step 6: Final answer
    x = 5,902.34

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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.