Home / 7,179.52-9,908.58-4,385.02

Finding the Fourth Proportional to 7,179.52, 9,908.58 and 4,385.02

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Solution

The fourth proportional to 7,179.52, 9,908.58 and 4,385.02 is: 6,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,179.52 : 9,908.58 = 4,385.02 : x
  2. Step 2: Convert to fraction form
    7,179.52/9,908.58 = 4,385.02/x
  3. Step 3: Cross multiply
    7,179.52x = 9,908.58 × 4,385.02
  4. Step 4: Simplify right side
    7,179.52x = 43,449,321.47
  5. Step 5: Solve for x
    x = 43,449,321.47/7,179.52
  6. Step 6: Final answer
    x = 6,051.84

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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.