Home / 6,634.52-9,145.96-4,638.88

Finding the Fourth Proportional to 6,634.52, 9,145.96 and 4,638.88

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Solution

The fourth proportional to 6,634.52, 9,145.96 and 4,638.88 is: 6,394.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,634.52 : 9,145.96 = 4,638.88 : x
  2. Step 2: Convert to fraction form
    6,634.52/9,145.96 = 4,638.88/x
  3. Step 3: Cross multiply
    6,634.52x = 9,145.96 × 4,638.88
  4. Step 4: Simplify right side
    6,634.52x = 42,427,010.92
  5. Step 5: Solve for x
    x = 42,427,010.92/6,634.52
  6. Step 6: Final answer
    x = 6,394.89

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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.