Home / 6,873.64-9,485.58-3,729.76

Finding the Fourth Proportional to 6,873.64, 9,485.58 and 3,729.76

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Solution

The fourth proportional to 6,873.64, 9,485.58 and 3,729.76 is: 5,147.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,873.64 : 9,485.58 = 3,729.76 : x
  2. Step 2: Convert to fraction form
    6,873.64/9,485.58 = 3,729.76/x
  3. Step 3: Cross multiply
    6,873.64x = 9,485.58 × 3,729.76
  4. Step 4: Simplify right side
    6,873.64x = 35,378,936.86
  5. Step 5: Solve for x
    x = 35,378,936.86/6,873.64
  6. Step 6: Final answer
    x = 5,147.05

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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.