Home / 5,517.07-7,618.97-4,001.96

Finding the Fourth Proportional to 5,517.07, 7,618.97 and 4,001.96

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Solution

The fourth proportional to 5,517.07, 7,618.97 and 4,001.96 is: 5,526.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,517.07 : 7,618.97 = 4,001.96 : x
  2. Step 2: Convert to fraction form
    5,517.07/7,618.97 = 4,001.96/x
  3. Step 3: Cross multiply
    5,517.07x = 7,618.97 × 4,001.96
  4. Step 4: Simplify right side
    5,517.07x = 30,490,842.23
  5. Step 5: Solve for x
    x = 30,490,842.23/5,517.07
  6. Step 6: Final answer
    x = 5,526.64

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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.