Home / 5,239.77-7,231.59-4,796.88

Finding the Fourth Proportional to 5,239.77, 7,231.59 and 4,796.88

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Solution

The fourth proportional to 5,239.77, 7,231.59 and 4,796.88 is: 6,620.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.77 : 7,231.59 = 4,796.88 : x
  2. Step 2: Convert to fraction form
    5,239.77/7,231.59 = 4,796.88/x
  3. Step 3: Cross multiply
    5,239.77x = 7,231.59 × 4,796.88
  4. Step 4: Simplify right side
    5,239.77x = 34,689,069.44
  5. Step 5: Solve for x
    x = 34,689,069.44/5,239.77
  6. Step 6: Final answer
    x = 6,620.34

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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.